Premise: A person reads to a group of boys .
Correct statement: It is probably not the case that a teacher reads to his students .
Incorrect statement: It is almost certain that a teacher reads to his students .
Correct statement: It is certain that a person is reading a book to a group of boys
Incorrect statement: It is highly unlikely that a person is reading a book to a group of boys
Correct statement: Chances are about even that a tall person reading
Incorrect statement: It is almost certain that a tall person reading
Correct statement: It is impossible that someone is reading a Dr. Seuss book .
Incorrect statement: It is certain that someone is reading a Dr. Seuss book .
Correct statement: It is certain that the person is holding a book in front of the kids .
Incorrect statement: It is improbable that the person is holding a book in front of the kids .