Premise: A city setting with various small vendors underneath green awnings and surrounded by many patrons .
Correct statement: Chances are about even that the vendors are having a busy day with all of these tourists .
Incorrect statement: It is certain that the vendors are having a busy day with all of these tourists .
Correct statement: It is highly likely that the vendors are outside .
Incorrect statement: We doubt that the vendors are outside .
Correct statement: It is impossible that people are buying food at a harvest festival .
Incorrect statement: It is highly likely that people are buying food at a harvest festival .
Correct statement: There is a very good chance that people are eating .
Incorrect statement: It is improbable that people are eating .
Correct statement: We doubt that the people here are at a farmer 's market .
Incorrect statement: It is certain that the people here are at a farmer 's market .