Anchor: Two people walking down a dirt trail with backpacks on looking at items they are carrying.
Entailed: The hikers are outside.
Contradiction: The people are on a sidewalk.
Contradiction: Two people are sitting on a bench with their backpacks nearby watching the sunset.
Contradiction: Two people are walking on a treadmill
Contradiction: The people are dancing in a bar
Contradiction: They are in a tornado.