Premise: Many member of a sports league , some in white and some in red stripes , walk about on a green grassy field .
Correct statement: It is probably the case that two teams walk on the field in preparation for their game .
Incorrect statement: Chances are slight that two teams walk on the field in preparation for their game .
Correct statement: We doubt that some men are about to play rugby .
Incorrect statement: It is probably the case that some men are about to play rugby .
Correct statement: It is probably not the case that a group of people competing in the championship game .
Incorrect statement: There is a very good chance that a group of people competing in the championship game .
Correct statement: It is highly likely that members of sports teams walk about on a green grassy field competing in a sporting event .
Incorrect statement: It is highly unlikely that members of sports teams walk about on a green grassy field competing in a sporting event .
Correct statement: We believe that people are getting ready to play a ball game .
Incorrect statement: It is impossible that people are getting ready to play a ball game .