Premise: Three people are sleeping in a mass-transit vehicle .
Correct statement: It is impossible that some teenagers are traveling overnight in a train .
Incorrect statement: It is probable that some teenagers are traveling overnight in a train .
Correct statement: It is probably not the case that three people are sleeping on the bus .
Incorrect statement: There is a very good chance that three people are sleeping on the bus .
Correct statement: It is probably not the case that there are three people asleep on the bus .
Incorrect statement: It is almost certain that there are three people asleep on the bus .
Correct statement: It is unlikely that there are people laying down in a bus .
Incorrect statement: It is probable that there are people laying down in a bus .
Correct statement: Chances are about even that three men are sleeping in a mass transit vehicle .
Incorrect statement: It is almost certain that three men are sleeping in a mass transit vehicle .