Premise: Two people in racing clothes and helmets are riding motorcycles .
Correct statement: There is a better than even chance that two people are carefully practicing and improving their motorcycle riding skills .
Incorrect statement: There is almost no chance that two people are carefully practicing and improving their motorcycle riding skills .
Correct statement: It is highly unlikely that two people are wearing black helmets .
Incorrect statement: It is likely that two people are wearing black helmets .
Correct statement: We believe that the people riding motorcycles are competing in a race .
Incorrect statement: There is almost no chance that the people riding motorcycles are competing in a race .
Correct statement: It is highly unlikely that the motorcycles are red and black .
Incorrect statement: Chances are about even that the motorcycles are red and black .
Correct statement: It is highly unlikely that two people lead the motorcycle race .
Incorrect statement: We believe that two people lead the motorcycle race .