Premise: Man in business attire speaks into a microphone .
Correct statement: It is unlikely that a man is talking at a conference .
Incorrect statement: There is a very good chance that a man is talking at a conference .
Correct statement: There is a very good chance that a businessman is giving a speech .
Incorrect statement: It is improbable that a businessman is giving a speech .
Correct statement: Chances are about even that the man is speaking to a group of clients while he is on a stage
Incorrect statement: It is certain that the man is speaking to a group of clients while he is on a stage
Correct statement: It is probably not the case that a salesman speaks to his customers through a microphone about the benefits he offers .
Incorrect statement: It is almost certain that a salesman speaks to his customers through a microphone about the benefits he offers .
Correct statement: It is likely that a businessman is talking .
Incorrect statement: It is unlikely that a businessman is talking .