Anchor: However, a Harvard study showed that the covering residents made serious mistakes six times more often than even fatigued residents.
Entailed: Residents covering for others made more serious mistakes than fatigued residents.
Contradiction: Covering residents made less mistakes as to not disappoint those they were covering for.
Contradiction: there are no Chinese restaurants within walking distance of my apartment
Contradiction: A person gives a woman a ice cream
Contradiction: Nobody is lounging in the grass.
Contradiction: Three people are standing around.