TASK DEFINITION: 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.
PROBLEM: 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.

SOLUTION: the boy is a karate student

PROBLEM: Sentence 1: Two people are spending good time in their boat. Sentence 2: Two people are drinking beer on the boat.

SOLUTION: There are people in the boat.

PROBLEM: Sentence 1: A bald man wearing all black waits for the subway and so does another man who is leaning on a pillar. Sentence 2: The men are underground.

SOLUTION:
Someone in the photo is bald.