Anchor: teacher, with her students.
Entailed: A teacher talks to her students.
Contradiction: Students study alone in a library.
Contradiction: The folks were all still there.
Contradiction: That's too bad, I guess one person can make a difference on whether or not you go back.
Contradiction: There's still one thumb left, according to the pessimistic.
Contradiction: The hoops being played with are large.