Anchor: Two people are throwing a black garbage back into a green dumpster.
Entailed: Some humans throwing.
Contradiction: Nobody is throwing.
Contradiction: A person sits alone on a couch
Contradiction: DOD's policy does separate product development into two stages of a process, but it doesn't require a decision checkpoint to move from one stage to another. 
Contradiction: A girl is eating alone.
Contradiction: It's cold so a baby is bundled in a coat