In this task, you're given a pair of sentences, sentence 1 and sentence 2, that neither agree with nor contradict each other. Your job is to alter sentence 2 so that the pair clearly contradict each other. Generated sentences must be short, with less than 15 words. New information can be introduced. Avoid using pronouns to confuse the subject of the sentence.

Sentence 1: A young boy, dressed in a karate gee and wearing a yellow belt, stands ready to defend himself inside a gym. Sentence 2: A yellow Belt Karate Student is fighting a White Belt Student.
the boy is a karate student

Sentence 1: A blond-haired girl is putting on a bike helmet with a sticker that reads "cool cats" displayed on it. Sentence 2: The young girl is visiting her grandparents Virginia Beach, VA., and is enjoying a bike ride near the beach.
There is one girl in this picture.

Sentence 1: Two young boys enjoy playing in shallow water while looking back at the photographer. Sentence 2: Two young boys playing in water.

Two young boys in water.