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.

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
C

Sentence 1: An elderly gentleman is exiting a building. Sentence 2: An old man has a cane.
N

Sentence 1: Black dog jumping in the air with white dog standing on grass behind near pile of rocks. Sentence 2: Two dogs play in the water at a lake.

C