Premise: 2 young girls are sitting in front of a bookcase and 1 is reading a book.

Hypothesis: Two boys are sitting in front of a bookcase and one boy is reading a book.
Relation: contradiction

Hypothesis: Two children are sitting in front of a bookcase, while one girl reads a book.
Relation: entailment

Hypothesis: Two blonde girls are sitting by a bookcase, while one girl is reading a book.
Relation: neutral