Premise: A crowd watching air balloons at night .
Correct statement: It is probable that there is a festival going on with air balloons in the night sky .
Incorrect statement: Chances are slight that there is a festival going on with air balloons in the night sky .
Correct statement: It is impossible that there are 20 balloons in the air and 50 on the ground .
Incorrect statement: It is probably the case that there are 20 balloons in the air and 50 on the ground .
Correct statement: It is highly unlikely that there 's a group of people watching 6 hot air balloons .
Incorrect statement: Chances are about even that there 's a group of people watching 6 hot air balloons .
Correct statement: Chances are slight that a crowd watches an air balloon race .
Incorrect statement: It is likely that a crowd watches an air balloon race .
Correct statement: There is a very good chance that some people are riding air balloons .
Incorrect statement: We doubt that some people are riding air balloons .