Anchor: a small white and black dog jumping over a big brown couch.
Entailed: A small animal jump over a large object.
Contradiction: A small white and black dog is crawling under a big brown couch.
Contradiction: the friends went to the icecream store
Contradiction: The item's appearance came off better to me as I continued to use it; I also inspected its mechanism of action with the utmost care.
Contradiction: The system is awful and they should be ashamed.
Contradiction: People are walking down a sidewalk.