Premise: A man is sitting on a couch under an expressway ledge .
Correct statement: It is probably not the case that a man sits on the leather couch .
Incorrect statement: It is probably the case that a man sits on the leather couch .
Correct statement: We believe that a homeless man is sitting on a couch under an expressway ledge .
Incorrect statement: It is probably not the case that a homeless man is sitting on a couch under an expressway ledge .
Correct statement: Chances are about even that a homeless man is sleeping under the highway bridge .
Incorrect statement: It is almost certain that a homeless man is sleeping under the highway bridge .
Correct statement: It is highly likely that the couch is dirty .
Incorrect statement: There is little chance that the couch is dirty .
Correct statement: It is highly unlikely that a man is sitting on a red couch .
Incorrect statement: Chances are about even that a man is sitting on a red couch .