Premise: A large crowd watching something while some people dance together in front of a blue stage .
Correct statement: It is probably the case that people are dancing in front of a concert .
Incorrect statement: It is probably not the case that people are dancing in front of a concert .
Correct statement: It is impossible that this is the biggest gathering of people in the past four years .
Incorrect statement: It is certain that this is the biggest gathering of people in the past four years .
Correct statement: Chances are about even that there are people inside a building .
Incorrect statement: There is almost no chance that there are people inside a building .
Correct statement: We believe that crowd jumping with a dance group
Incorrect statement: It is impossible that crowd jumping with a dance group
Correct statement: We believe that men are dancing in front of the stage .
Incorrect statement: It is improbable that men are dancing in front of the stage .