Anchor: Trekking through the snow in the mountains with a full size backpack on.
Entailed: Someone is carrying a backpack.
Contradiction: A man is skiing on a mountain.
Contradiction: The dog sleeps soundly in the bed.
Contradiction: My husband and I did not eat that much fast food.
Contradiction: Two men riding a bicycle and people watching them.
Contradiction: a little boy looking out the window