Anchor: People use tools while working in a field.
Entailed: people are in the field
Contradiction: people and dogs are deep ocean swimming
Contradiction: I searched for books at the Dispensary of the Red Cross Hospital at Tadminster, but I found none.
Contradiction: It's difficult to find individuals like that.
Contradiction: the dancer is in a boring all black outfit
Contradiction: The Irish ended up being driven to the western side of the Shannon.