Anchor: we usually use frozen vegetables and things so we don't really have much of that but
Entailed: We use frozen vegetables often. 
Contradiction: We rarely use frozen vegetables. 
Contradiction: Unlike its Year 2000 computing challenge, the Congress should steer clear and avoid any monitoring of progress.
Contradiction: The boy is on a bike.
Contradiction: Boy on bike rides down dirt path
Contradiction: 1% of allowances will be auctioned during the first year.