Anchor: People inside a subway car hold on to the rails while people outside the subway car walk away.
Entailed: There are people inside a subway car holding on to the rails.
Contradiction: people are riding a cactus
Contradiction: There are people inside a subway car who do not care to hold on to the rails.
Contradiction: the man is in a car
Contradiction: People are swimming in the lake.
Contradiction: There are elephants inside a subway car holding on to the rails.