Premise: A crowd of people , some standing by a river , some in the river with old buildings in the background .
Correct statement: It is impossible that there is a Polar Plunge happening at the river in town .
Incorrect statement: It is certain that there is a Polar Plunge happening at the river in town .
Correct statement: It is unlikely that a group of people are fishing in the river .
Incorrect statement: It is likely that a group of people are fishing in the river .
Correct statement: It is likely that there are people swimming in a river .
Incorrect statement: It is unlikely that there are people swimming in a river .
Correct statement: There is a very good chance that people are relaxing in the cool water .
Incorrect statement: We doubt that people are relaxing in the cool water .
Correct statement: It is probable that a pack of friends meet up in a river
Incorrect statement: It is improbable that a pack of friends meet up in a river