Premise: Four people walk down a city sidewalk- three facing the camera one away .
Correct statement: It is impossible that four people walk down a sidewalk towards a wedding ceremony .
Incorrect statement: Chances are about even that four people walk down a sidewalk towards a wedding ceremony .
Correct statement: It is probable that a camera is about to take a picture .
Incorrect statement: Chances are slight that a camera is about to take a picture .
Correct statement: There is a very good chance that one person is taking a picture .
Incorrect statement: Chances are slight that one person is taking a picture .
Correct statement: We doubt that the people are tourists .
Incorrect statement: It is probable that the people are tourists .
Correct statement: It is impossible that the people are shooting a music video on the sidewalk .
Incorrect statement: There is a very good chance that the people are shooting a music video on the sidewalk .