Premise: A skier skiing down a large mountain
Correct statement: Chances are about even that a skier is racing down a mountain .
Incorrect statement: It is certain that a skier is racing down a mountain .
Correct statement: It is impossible that a skier is in first place in his race .
Incorrect statement: It is certain that a skier is in first place in his race .
Correct statement: It is probably the case that a skier hopes to beat his best time down the mountain .
Incorrect statement: We doubt that a skier hopes to beat his best time down the mountain .
Correct statement: There is a very good chance that a skier is happily skiing down a mountain .
Incorrect statement: We doubt that a skier is happily skiing down a mountain .
Correct statement: There is almost no chance that a person competing in a ski competition .
Incorrect statement: There is a very good chance that a person competing in a ski competition .