Here's a short story:

Brazil has both modern technologies in the center-south portion, counting with LTE, 3G HSPA, DSL ISDB based Digital TV. Other areas of the country, particularly the North and Northeast regions, lack even basic analog PSTN telephone lines. This is a problem that the government is trying to solve by linking the liberation of new technologies such as WiMax and FTTH) only tied with compromises on extension of the service to less populated regions. 

The Brazilian landline sector is fully open to competition and continues to attract operators. The bulk of the market is divided between four operators: Telefónica, América Móvil, Oi (controlled by Brazilian investors and Portugal Telecom), and GVT. Telefónica operates through Telefónica Brasil, which has integrated its landline and mobile services under the brand name Vivo. The América Móvil group in Brazil comprises long distance incumbent Embratel, mobile operator Claro, and cable TV provider Net Serviços. The group has started to integrate its landline and mobile services under the brand name Claro, previously used only for mobile services. Oi offers landline and mobile services under the Oi brand name. GVT is the country’s most successful alternative network provider, offering landline services only. 

"National:" extensive microwave radio relay system and a national satellite system with 64 earth stations. (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: how many operators make up the bulk of the Brazilian landline sector?
Guess: Four
Confidence: <appropriate level of confidence in this guess>

Question: what are they?
Guess: Telefónica, América Móvil, Oi, and GVT.
Confidence: <appropriate level of confidence in this guess>

Question: do the North and Northeast regions even have basic analog telephone?
Guess: No.
Confidence: <appropriate level of confidence in this guess>

Question: who is trying to solve this problem?
Guess: Government
Confidence: <appropriate level of confidence in this guess>

Now answer the following question in the same format.

Question: who is Brazil's most successful alternative provider?

GVT