Anchor: a group of children playing in a stream
Entailed: A group of children are outdoors.
Contradiction: A group of children are paying attention in math class.
Contradiction: They were clueless about the needs of the poor.
Contradiction: There are things called bodegas, which are wine cellars.
Contradiction: Miss Cowley spent the entirety of the war in Manchester and never went near a hospital. 
Contradiction: A snort was made by Adrin.