Premise: A boy is doing a skateboard trick on the boardwalk .
Correct statement: There is a very good chance that a skateboarder is practicing new techniques and tricks with his skateboard .
Incorrect statement: It is unlikely that a skateboarder is practicing new techniques and tricks with his skateboard .
Correct statement: There is a better than even chance that a professional skateboarder performs various tricks at an international skateboarding competition
Incorrect statement: Chances are slight that a professional skateboarder performs various tricks at an international skateboarding competition
Correct statement: It is impossible that the boy is trying to do a backflip .
Incorrect statement: Chances are about even that the boy is trying to do a backflip .
Correct statement: It is highly likely that a boy has a skateboard .
Incorrect statement: Chances are slight that a boy has a skateboard .
Correct statement: There is a better than even chance that a boy practicing for the skateboard competition .
Incorrect statement: There is little chance that a boy practicing for the skateboard competition .