Premise: An older guy is playing chess with a young boy .
Correct statement: There is a better than even chance that a grandfather is teaching his grandson how to play chess .
Incorrect statement: There is little chance that a grandfather is teaching his grandson how to play chess .
Correct statement: There is little chance that a man and his grandson compete in a chess tournament .
Incorrect statement: It is certain that a man and his grandson compete in a chess tournament .
Correct statement: There is a very good chance that the older guy is an elderly person .
Incorrect statement: It is unlikely that the older guy is an elderly person .
Correct statement: It is probable that the older man playing chess with a young boy is his grandfather .
Incorrect statement: It is improbable that the older man playing chess with a young boy is his grandfather .
Correct statement: There is a very good chance that an old man is teaching the boy how to play chess .
Incorrect statement: Chances are slight that an old man is teaching the boy how to play chess .