Premise: A person is playing a drum .
Correct statement: It is certain that music is being made .
Incorrect statement: There is little chance that music is being made .
Correct statement: It is unlikely that a tall person playing
Incorrect statement: It is highly likely that a tall person playing
Correct statement: It is probably not the case that some guy is trying to earn money .
Incorrect statement: It is likely that some guy is trying to earn money .
Correct statement: It is probably the case that a person is playing a drum in a band .
Incorrect statement: It is probably not the case that a person is playing a drum in a band .
Correct statement: It is probably not the case that a person is performing a concert .
Incorrect statement: It is certain that a person is performing a concert .