Anchor: Two little girls in matching dresses pose with two little boys in matching outfits.
Entailed: Two girls are posing with two boys.
Contradiction: Four children are singing.
Contradiction: A woman is at the deli.
Contradiction: Okay, there will be more significance if you choose to. 
Contradiction: The museum has a gift shop, but it doesn't sell toys.
Contradiction: A human wearing something.