Premise: Three people playing rock music , one of them is wearing a hat and a black pants with a black t-shirt and singing and playing the guitar .
Correct statement: It is highly likely that people are playing music and one is playing guitar .
Incorrect statement: We doubt that people are playing music and one is playing guitar .
Correct statement: We believe that three young men are performing at a rock concert .
Incorrect statement: It is impossible that three young men are performing at a rock concert .
Correct statement: There is a very good chance that three people are entertaining people .
Incorrect statement: It is probably not the case that three people are entertaining people .
Correct statement: There is a better than even chance that a trio of rock musicians play their music at a wedding .
Incorrect statement: It is impossible that a trio of rock musicians play their music at a wedding .
Correct statement: It is likely that two musicians are testing out a third to see if he would make a good singer for their rock group .
Incorrect statement: It is probably not the case that two musicians are testing out a third to see if he would make a good singer for their rock group .