Premise: Many people wearing blue jackets are marching down a street .
Correct statement: It is impossible that many people are playing trumpets while marching down a street
Incorrect statement: It is certain that many people are playing trumpets while marching down a street
Correct statement: It is likely that people are at a parade .
Incorrect statement: We doubt that people are at a parade .
Correct statement: It is probably the case that a marching band parades down the street .
Incorrect statement: We doubt that a marching band parades down the street .
Correct statement: There is a better than even chance that a protest group marches
Incorrect statement: It is highly unlikely that a protest group marches
Correct statement: It is probable that many people are wearing jackets on a street marching in a parade .
Incorrect statement: It is unlikely that many people are wearing jackets on a street marching in a parade .