Anchor: Because, in no other way can you account for the fact that, on one of the hottest days of the year, Mrs. Inglethorp ordered a fire to be lighted in her room." I gave a gasp. 
Entailed: Because you can't explain that Mrs. Inglethorp ordered a fire to be lit in her room.
Contradiction: It was in the middle of the coldest winter in years.
Contradiction: A man in black is running away from a woman.
Contradiction: A person is using a broom.
Contradiction: My wife and I want to live alone.
Contradiction: The country is poor.