Premise: A large group of people waiting at a train station .
Correct statement: Chances are about even that a group of people are at a train station waiting to go home .
Incorrect statement: It is impossible that a group of people are at a train station waiting to go home .
Correct statement: It is almost certain that a group of people wait to get on a train .
Incorrect statement: It is improbable that a group of people wait to get on a train .
Correct statement: It is highly likely that a train station is full of people wanting to go to different places .
Incorrect statement: There is little chance that a train station is full of people wanting to go to different places .
Correct statement: There is almost no chance that a group of schoolchildren going on a fieldtrip are waiting to board a train .
Incorrect statement: It is almost certain that a group of schoolchildren going on a fieldtrip are waiting to board a train .
Correct statement: It is impossible that a group of people waiting for the next train to New York City .
Incorrect statement: It is certain that a group of people waiting for the next train to New York City .