Anchor: Two brownish dogs are fighting.
Entailed: The two dogs are angry with each other.
Contradiction: The two dogs like being together.
Contradiction: There are no jobs where you can aggregate case study and non case study.  
Contradiction: a man is sitting in a tent
Contradiction: The survey asks only basic questions, and does not probe into psychological disorders or diseases.
Contradiction: I need to have the freedom to do what I want.