Anchor: Every one walking on the grass has on blue jeans and are walking arm in arm.
Entailed: Everyone walking has on blue jeans.
Contradiction: Only two people on the grass are wearing pants
Contradiction: The preamble was not included in analysis. 
Contradiction: The women are having a conversation.
Contradiction: The mistake happened right after Lehman's disaster.
Contradiction: The food was rated four stars.