Premise: a lady is wearing all black with a whistle in the middle of rollerskaters .
Correct statement: There is a better than even chance that a woman is a coach for a roller derby team .
Incorrect statement: It is impossible that a woman is a coach for a roller derby team .
Correct statement: There is a better than even chance that a coach watches the roller skaters .
Incorrect statement: It is improbable that a coach watches the roller skaters .
Correct statement: There is a better than even chance that a lady is getting ready to go rollerskating
Incorrect statement: There is little chance that a lady is getting ready to go rollerskating
Correct statement: It is highly unlikely that the ref at the roller derby stands out .
Incorrect statement: We believe that the ref at the roller derby stands out .
Correct statement: It is impossible that there is a tie .
Incorrect statement: Chances are about even that there is a tie .