In this task, you're given a pair of sentences, sentence 1 and sentence 2. Your job is to choose whether the two sentences clearly agree (entailment)/disagree (contradiction) with each other, or if this cannot be determined (neutral). Your answer must be in the form of the letters E, C, and N respectively.

Q: Sentence 1: A young boy is being buried in the sand by a girl of about the same age, though he is still smiling. Sentence 2: The boy is  standing on a rock

A: C
****
Q: Sentence 1: Many people ride bicycles in helmets as fans spectate and cheer them on. Sentence 2: Many people are riding bikes.

A: C
****
Q: Sentence 1: A man boating along a river near the shore. Sentence 2: A man is driving a boat.

A:
C
****