Anchor: Three boys in swimming trunks walk upstream.
Entailed: There are kids in the creek.
Contradiction: The boys are playing soccer.
Contradiction: the men are dancing in the snow.
Contradiction: RSSI is defined by the board to report information.
Contradiction: The Normans always avoided Wexford.
Contradiction: Xerox requires suppliers of key components and subassemblies to produce an adequate sample of parts to demonstrate that the suppliers' processes can be controlled.