Anchor: Scientists hard as work in a lab.
Entailed: Several scientists are indoors
Contradiction: Scientists are relaxing at lunch
Contradiction: I want to be an HVAC technician. 
Contradiction: Two ex-stars in the O.J trial were hired by Boulder officials.
Contradiction: A woman and child having a Taco Bell taco.
Contradiction: It was not hard for me to break free from the grip of White.