Premise: The bat looks worn .
Correct statement: It is impossible that the bat was signed by a MLB player .
Incorrect statement: We believe that the bat was signed by a MLB player .
Correct statement: It is almost certain that it 's a baseball bat .
Incorrect statement: Chances are slight that it 's a baseball bat .
Correct statement: It is almost certain that the bat was used in a baseball game .
Incorrect statement: It is impossible that the bat was used in a baseball game .
Correct statement: It is certain that the bat is worn .
Incorrect statement: It is unlikely that the bat is worn .
Correct statement: It is impossible that the bat is sleeping
Incorrect statement: It is almost certain that the bat is sleeping