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 wearing a blue shirt makes a grouchy face. Sentence 2: A woman wearing a blue shirt makes a grouchy face.
Example Output: C

Example Input: Sentence 1: A man and woman holding hands are jumping into the water. Sentence 2: While holding hands a man and woman jump off a cliff into water
Example Output: N

Example Input: Sentence 1: A female is opening up a present. Sentence 2: A female did not get any gifts.
Example Output:
C