premise: A lady sitting on a bench with a book on her lap with a boy and girl on either side of her. hypothesis: A woman and two kids next to each other.
entailment: A woman has two kids a boy and a girl sitting next to her.|entailment: A boy and a girl refer to kids. For them to be on either side of the woman requires that the three be next to each other.|entailment: There are similar subjects (lady, woman, two kids, boy and girl), doing an action.