sentences: two gray mice are crossed to produce offspring
docs: calving is giving_birth_to_offspring. three_blind_mice is children's_story. dogs has litter_of_offspring grandchild is offspring. lizards has sex_to_produce_offspring son is male_offspring. male_offspring is child. people has offspring scarlet_breasted_fruit_dove is bird. mice is cute_small_rodents_with_long_tails.