Premise: A female martial arts student demonstrates with a weapon while others watch .
Correct statement: It is impossible that a martial arts student is practicing with nun-chuks in front of an audience .
Incorrect statement: It is probably the case that a martial arts student is practicing with nun-chuks in front of an audience .
Correct statement: It is likely that an older martial arts student demonstrating to younger students .
Incorrect statement: Chances are slight that an older martial arts student demonstrating to younger students .
Correct statement: There is a better than even chance that female student displays martial arts with a sharp spear
Incorrect statement: Chances are slight that female student displays martial arts with a sharp spear
Correct statement: There is a better than even chance that a female martial arts student demonstrates her knife skills .
Incorrect statement: Chances are slight that a female martial arts student demonstrates her knife skills .
Correct statement: There is almost no chance that the people watching are all men
Incorrect statement: It is likely that the people watching are all men