Here's a short story:

General Motors Company, commonly known as GM, is an American multinational corporation headquartered in Detroit, Michigan, that designs, manufactures, markets, and distributes vehicles and vehicle parts, and sells financial services. With global headquarters at the Renaissance Center in Detroit, Michigan, United States, GM manufactures cars and trucks in 35 countries. In 2008, 8.35 million GM cars and trucks were sold globally under various brands. GM reached the milestone of selling 10 million vehicles in 2016. Current auto brands are Buick, Cadillac, Chevrolet, GMC, Holden, and Wuling. Former GM automotive brands include McLaughlin, Oakland, Oldsmobile, Pontiac, Hummer, Saab, Saturn, as well as Vauxhall, and Opel, which were bought by Groupe PSA in 2017. 

The company was founded by William C. Durant on September 16, 1908 as a holding company. The company was the largest automobile manufacturer from 1931 through 2007. 

In addition to brands selling assembled vehicles, GM has also had various automotive-component and non-automotive brands, many of which it divested in the 1980s through 2000s. These have included Euclid and Terex (earthmoving/construction/mining equipment & vehicles); Electro-Motive Diesel (locomotive, marine, and industrial diesel engines); Detroit Diesel (automotive and industrial diesel engines); Allison (aircraft engines, transmissions, gas turbine engines); Frigidaire (appliances including refrigeration and air conditioning); New Departure (bearings); Delco Electronics and ACDelco (electrical and electronic components); GMAC (finance); General Aviation and North American Aviation (airplanes); GM Defense (military vehicles); and Electronic Data Systems (information technology). (End of story)

Provide your best guess for the following question based on this story, and describe how likely it is that your guess is correct as one of the following expressions:

Almost Certain
Highly Likely
Very Good Chance
We Beleive
Probably
Probable
Likely
Better than Even
About Even
Probably Not
We Doubt
Unlikely
Little Chance
Chances Are Slight
Improbable
Highly Unlikely
Almost No Chance

Give ONLY the guess and your confidence, no other words or explanation. For example:

Guess: <most likely guess, as short as possible; not a complete sentence, just the guess!>
Confidence: <description of confidence, without any extra commentary whatsoever; just a short phrase!>

Here are a few examples of questions and answers:

Question: Who founded the company?
Guess: William C. Durant
Confidence: <appropriate level of confidence in this guess>

Question: when?
Guess: \ September 16, 1908
Confidence: <appropriate level of confidence in this guess>

Question: where is it headquartered?
Guess: Detroit, Michigan
Confidence: <appropriate level of confidence in this guess>

Question: What milestone did it reach in 2016
Guess: selling 10 million vehicles
Confidence: <appropriate level of confidence in this guess>

Question: Are there many brands?
Guess: yes
Confidence: <appropriate level of confidence in this guess>

Question: how many current?
Guess: six
Confidence: <appropriate level of confidence in this guess>

Question: Do they own Opel?
Guess: not anymore
Confidence: <appropriate level of confidence in this guess>

Question: who aquired it?
Guess: Groupe PSA
Confidence: <appropriate level of confidence in this guess>

Question: when?
Guess: 2017
Confidence: <appropriate level of confidence in this guess>

Question: Is the company currently the largest automobile manufacturer?
Guess: no
Confidence: <appropriate level of confidence in this guess>

Question: was it ever?
Guess: yeas
Confidence: <appropriate level of confidence in this guess>

Question: when?
Guess: 1931 through 2007
Confidence: <appropriate level of confidence in this guess>

Question: how many countries do they operate in?
Guess: 35
Confidence: <appropriate level of confidence in this guess>

Question: how many cars and trucks were sold in 2008?
Guess: 8.35 million
Confidence: <appropriate level of confidence in this guess>

Question: Where is the global headquarters?
Guess: Renaissance Center in Detroit, Michigan
Confidence: <appropriate level of confidence in this guess>

Now answer the following question in the same format.

Question: what does GM stand for?

General Motors