Premise: People are sitting on benches on a sidewalk surrounded by trees with a view of city buildings .
Correct statement: There is a very good chance that people sitting in the park .
Incorrect statement: It is unlikely that people sitting in the park .
Correct statement: It is impossible that a group pose in central park
Incorrect statement: It is certain that a group pose in central park
Correct statement: It is probably not the case that people enjoy trees during their lunch break
Incorrect statement: We believe that people enjoy trees during their lunch break
Correct statement: It is improbable that people are relaxing on a quiet Sunday .
Incorrect statement: It is probable that people are relaxing on a quiet Sunday .
Correct statement: It is likely that the people are talking to one another .
Incorrect statement: We doubt that the people are talking to one another .