Anchor: Four boys ran from a nearby house, across the bridge, and to the main road.
Entailed: Four boys ran to the main road.
Contradiction: Five boys ran to the main road.
Contradiction: Men wearing safety vests ride a life raft.
Contradiction: There is a very good point.
Contradiction: For about 10 hours!
Contradiction: More alterations must be done but we don't know what.