Premise: A man in a black jacket and blue jeans carrying a camera walking up to the front of a cave that has the front of it blocked off by bars .
Correct statement: It is unlikely that the man is carrying a Canon camera .
Incorrect statement: We believe that the man is carrying a Canon camera .
Correct statement: It is impossible that the man is on vacation with his family to the famous underground Mammoth Caves in Kentucky .
Incorrect statement: Chances are about even that the man is on vacation with his family to the famous underground Mammoth Caves in Kentucky .
Correct statement: There is a very good chance that a man walks up to and prepares to photograph a cave that is blocked off .
Incorrect statement: We doubt that a man walks up to and prepares to photograph a cave that is blocked off .
Correct statement: It is impossible that there is a bear in the cave
Incorrect statement: It is certain that there is a bear in the cave
Correct statement: It is improbable that a man is filming an expedition
Incorrect statement: It is highly likely that a man is filming an expedition