Premise: A group of people do tricks on motorbikes .
Correct statement: Chances are about even that a group of people do tricks on motorbikes on a racing track .
Incorrect statement: There is almost no chance that a group of people do tricks on motorbikes on a racing track .
Correct statement: It is highly likely that bikers are showing off what they can do .
Incorrect statement: It is probably not the case that bikers are showing off what they can do .
Correct statement: Chances are about even that people running with tricks
Incorrect statement: It is almost certain that people running with tricks
Correct statement: We believe that people do tricks for a crowd .
Incorrect statement: It is improbable that people do tricks for a crowd .
Correct statement: It is impossible that a group of people are doing backflips .
Incorrect statement: It is likely that a group of people are doing backflips .