Premise: a man is behind a cart trying to sell various food items .
Correct statement: We doubt that a man is selling vegetables .
Incorrect statement: There is a very good chance that a man is selling vegetables .
Correct statement: It is highly likely that a food cart owner tries to sell food to people .
Incorrect statement: It is unlikely that a food cart owner tries to sell food to people .
Correct statement: It is unlikely that a street vendor peddles his vegetables
Incorrect statement: There is a very good chance that a street vendor peddles his vegetables
Correct statement: We doubt that a man sells fruits from a cart .
Incorrect statement: It is probably the case that a man sells fruits from a cart .
Correct statement: Chances are slight that the man is trying to sell gyros .
Incorrect statement: It is probably the case that the man is trying to sell gyros .