Anchor: The boy in the gray shirt is holding the boy in the red shirt on his back.
Entailed: A person wearing a shirt holds a boy on his back.
Contradiction: A woman wearing red holds hands with her son.
Contradiction: The result will most likely be stocking up on inventory. 
Contradiction: A man is standing atop a mountain peak with a cloudy sky on the horizon
Contradiction: The door is not made of glass
Contradiction: Two people are walking in the rain.