Premise: A person wearing a long brown coat is taking a picture of a building while two other people stand by .
Correct statement: There is a very good chance that a tall person in a coat
Incorrect statement: It is improbable that a tall person in a coat
Correct statement: There is a very good chance that photographer busy at work
Incorrect statement: It is unlikely that photographer busy at work
Correct statement: It is improbable that the director and his crew take pictures of the scenery .
Incorrect statement: We believe that the director and his crew take pictures of the scenery .
Correct statement: It is certain that a person wearing a long brown coat is standing next to two other people standing while he takes a picture of a building .
Incorrect statement: There is little chance that a person wearing a long brown coat is standing next to two other people standing while he takes a picture of a building .
Correct statement: It is impossible that two professors observe a student photographer
Incorrect statement: It is highly likely that two professors observe a student photographer