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 person wearing a short-sleeved light blue shirt over a long-sleeved white shirt and blue jeans is holding a long-lensed camera to his face while standing next to a red colored railroad car. Sentence 2: A person is taking pictures.
Example Output: C

Example Input: Sentence 1: The woman in the dark coat is facing the camera, while the man in the blue shirt faces away. Sentence 2: There are two people.
Example Output: C

Example Input: Sentence 1: a man points to a projected image of a Firefox page at a conference. Sentence 2: the man was in a meeting
Example Output:
N