Anchor: But you agree with me that the door must have been opened by Mrs. Inglethorp herself?
Entailed: The speaker believes that Mrs. Inglethorp was the one who opened the door.
Contradiction: The speaker does not believe that Mrs. Inglethorp opened the door.
Contradiction: The coach was the only one that stayed despite being treated bad.
Contradiction: Yes, that would be nice.
Contradiction: A guy is preparing to start snowboarding.
Contradiction: When I worked in an office in high school, we used typewriters.