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 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.
C

Sentence 1: A large group of people with snow covered mountains in the background. Sentence 2: the group is out in the summer
C

Sentence 1: A bird flies low as a businessman walks down the street. Sentence 2: The bird is flying over an ocean.

C