Anchor: There was a chance that most of one hemisphere might retain some measure of warmth, then.
Entailed: Most of one hemisphere might retain some kind of warmth.
Contradiction: There was no chance to retain any warmth.
Contradiction: He left since I've been there.
Contradiction: A girl with arm floaties on is floating in the water.
Contradiction: Four men jumping on a couch.
Contradiction: Two people are having an enjoyable conversation.