Here's a short story:

Paris (CNN) -- Yasser Arafat's widow on Tuesday questioned the findings of French scientists that the Palestinian leader did not die from radioactive polonium poisoning but rather from natural causes. 

The conclusion, leaked to multiple French media agencies and Reuters, contradicts the findings of Swiss forensic scientists who concluded last month that samples taken from Arafat's exhumed body were consistent with polonium-210 exposure but did not definitely prove that he was poisoned. 

"I'm convinced there is something wrong, and he did not die from a natural death," Suha Arafat said at a news conference in Paris. 

She said she is requesting that the Swiss findings be made available to French authorities investigating her husband's death. She said the medical experts in Switzerland and France came from different medical fields. 

"I don't doubt them. But they are different skills. They are different types of medicines," she said. 

The French findings will do little to quell the rumors that Arafat was poisoned. 

Arafat died at age 75 at a Paris military hospital in November 2004 after he had a brain hemorrhage and slipped into a coma. Palestinian officials said in the days before his death that Arafat had a blood disorder -- though they ruled out leukemia -- and that he had digestive problems. 

Rumors of poisoning circulated at the time, but Palestinian officials denied them. 

Two weeks after Arafat's death, his nephew said medical records showed no cause of death. Nasser al-Kidwa, who was the Palestinian observer to the United Nations, said toxicology tests showed "no known poison," though he refused to exclude the possibility that poison caused his uncle's death.  (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: When did Arafat die?
Guess: in November 2004
Confidence: <appropriate level of confidence in this guess>

Question: Where?
Guess: at a Paris military hospital
Confidence: <appropriate level of confidence in this guess>

Question: How old was he?
Guess: 75
Confidence: <appropriate level of confidence in this guess>

Question: Was he alert before he died?
Guess: no
Confidence: <appropriate level of confidence in this guess>

Question: Why not?
Guess: he was in a coma
Confidence: <appropriate level of confidence in this guess>

Now answer the following question in the same format.

Question: What caused the coma?

a brain hemorrhage