Premise: a man wearing a black jacket stands , holding an open book in front of a chalkboard and globe .
Correct statement: There is a better than even chance that the teacher presents a map with his poor attempt at copying a map .
Incorrect statement: It is impossible that the teacher presents a map with his poor attempt at copying a map .
Correct statement: There is a better than even chance that a geography teacher stands before his class .
Incorrect statement: Chances are slight that a geography teacher stands before his class .
Correct statement: It is probably not the case that a tall man .
Incorrect statement: It is probably the case that a tall man .
Correct statement: It is impossible that a man wearing a black jacket stands , holding an open bible in front of a chalkboard and globe .
Incorrect statement: It is probably the case that a man wearing a black jacket stands , holding an open bible in front of a chalkboard and globe .
Correct statement: We believe that a teacher tries to explain the book to his students .
Incorrect statement: It is highly unlikely that a teacher tries to explain the book to his students .