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.

Example Input: Sentence 1: A man in an orange shirt and headphones working with equipment in front of a brick building. Sentence 2: A construction worker is working outside a house.
Example Output: N

Example Input: Sentence 1: A dog running in snow. Sentence 2: A dog is sleeping inside the house.
Example Output: C

Example Input: Sentence 1: A little boy looks at the camera while a woman behind him seems to be laughing very hard and the woman on the right has a big smile on her face. Sentence 2: Everyone there is sad.
Example Output:
C