Premise: A ballerina dressed in yellow is dancing , on a stage .
Correct statement: Chances are about even that a girl performs in her ballet dress rehearsal .
Incorrect statement: It is almost certain that a girl performs in her ballet dress rehearsal .
Correct statement: There is a very good chance that a ballerina is performing a show .
Incorrect statement: It is improbable that a ballerina is performing a show .
Correct statement: There is almost no chance that a ballerina is dancing to Swan Lake .
Incorrect statement: It is almost certain that a ballerina is dancing to Swan Lake .
Correct statement: There is a very good chance that the ballerina is performing for a crowd .
Incorrect statement: It is highly unlikely that the ballerina is performing for a crowd .
Correct statement: It is highly unlikely that a prima ballerina dances on stage
Incorrect statement: There is a better than even chance that a prima ballerina dances on stage