Premise: A person wearing a dark blue covered up attire from head to toe , with a mask and vest , holding a thin sword .
Correct statement: It is probably not the case that a person is a ninja .
Incorrect statement: It is likely that a person is a ninja .
Correct statement: It is almost certain that a man is holding a sharp weapon .
Incorrect statement: Chances are slight that a man is holding a sharp weapon .
Correct statement: Chances are about even that a fencer prepares for a match
Incorrect statement: It is impossible that a fencer prepares for a match
Correct statement: There is little chance that a person is examining a sword .
Incorrect statement: It is probably the case that a person is examining a sword .
Correct statement: We believe that a person is happily wearing dark blue attire .
Incorrect statement: It is improbable that a person is happily wearing dark blue attire .