Anchor: The man is scaling a large copper boulder.
Entailed: A man climbing a boulder.
Contradiction: A woman climbing a boulder.
Contradiction: A man stands in the cold with no coat.
Contradiction: A teacher helps out a student in the computer lab
Contradiction: At no point in the F-22 program were steps taken to look at any kind of statistical process control data.
Contradiction: A scientist uses his microscope.