Premise: A man in a striped sweater writes on a small rectangular chalkboard .
Correct statement: It is highly unlikely that a teacher shows a class algebra .
Incorrect statement: It is highly likely that a teacher shows a class algebra .
Correct statement: There is little chance that a man in a striped white sweater writes .
Incorrect statement: It is likely that a man in a striped white sweater writes .
Correct statement: There is a better than even chance that a man writes instructions .
Incorrect statement: It is improbable that a man writes instructions .
Correct statement: Chances are about even that a man is writing a poem on a chalkboard .
Incorrect statement: There is almost no chance that a man is writing a poem on a chalkboard .
Correct statement: It is probable that a man is teaching a lesson to a class .
Incorrect statement: It is improbable that a man is teaching a lesson to a class .