Premise: A teenage girl walks past another with a cellphone .
Correct statement: It is improbable that a blonde girl walking
Incorrect statement: There is a very good chance that a blonde girl walking
Correct statement: It is probably not the case that two girls are talking on their cellphones .
Incorrect statement: It is certain that two girls are talking on their cellphones .
Correct statement: Chances are about even that the teenage girl on the cellphone does not notice the other teenage girl .
Incorrect statement: It is impossible that the teenage girl on the cellphone does not notice the other teenage girl .
Correct statement: It is impossible that the girl on her phone is talking to the other girl 's boyfriend .
Incorrect statement: It is almost certain that the girl on her phone is talking to the other girl 's boyfriend .
Correct statement: It is probably the case that two people who do n't know each other
Incorrect statement: There is little chance that two people who do n't know each other