Premise: A man teaches a classroom of children .
Correct statement: Chances are about even that the man teaches the classroom of children about English .
Incorrect statement: There is almost no chance that the man teaches the classroom of children about English .
Correct statement: It is likely that a man happily teaches a classroom .
Incorrect statement: Chances are slight that a man happily teaches a classroom .
Correct statement: It is impossible that he is a science teacher .
Incorrect statement: It is almost certain that he is a science teacher .
Correct statement: It is impossible that the man is teaching science .
Incorrect statement: It is probable that the man is teaching science .
Correct statement: It is impossible that a man is writing on a chalkboard .
Incorrect statement: We believe that a man is writing on a chalkboard .