Anchor: The second class would include those planets formed so near the stellar center that the high temperature would make it impossible to capture much hydrogen.
Entailed: The second group is planets whose center make it hard to capture hydrogen.
Contradiction: All planets fall into the same class.
Contradiction: the men are fishing
Contradiction: A small dog running.
Contradiction: A softball player is playing basketball.
Contradiction: Privacy and program integrity are two competing goals that must be balanced.