Premise: People are standing on a train platform waiting for the train .
Correct statement: It is impossible that people are waiting for a train to come , so that they can go to New York .
Incorrect statement: We believe that people are waiting for a train to come , so that they can go to New York .
Correct statement: It is impossible that people are leaving for vacation on a train .
Incorrect statement: It is highly likely that people are leaving for vacation on a train .
Correct statement: Chances are about even that ten people at the subway are waiting for their train .
Incorrect statement: There is almost no chance that ten people at the subway are waiting for their train .
Correct statement: It is impossible that people are on vacation .
Incorrect statement: There is a very good chance that people are on vacation .
Correct statement: There is a better than even chance that people are waiting for the train , so they can go home .
Incorrect statement: It is highly unlikely that people are waiting for the train , so they can go home .