Premise: People sitting in a vehicle .
Correct statement: It is impossible that there are people sitting on a boat .
Incorrect statement: We believe that there are people sitting on a boat .
Correct statement: Chances are about even that five people sitting .
Incorrect statement: It is impossible that five people sitting .
Correct statement: It is impossible that a group of friends are sitting in a car at a drive-in theater .
Incorrect statement: It is likely that a group of friends are sitting in a car at a drive-in theater .
Correct statement: It is impossible that some people are on the way to work on the train .
Incorrect statement: There is a very good chance that some people are on the way to work on the train .
Correct statement: It is impossible that people sit in an old VW van waiting to take a roadtrip .
Incorrect statement: It is highly likely that people sit in an old VW van waiting to take a roadtrip .