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: The smiling woman in the red helmet is outdoors holding a very long rope. Sentence 2: A woman in a red helmet swimming through a lake.
C

Sentence 1: The kayaker braces himself as he goes down the river. Sentence 2: The kayaker braces himself
C

Sentence 1: A group of people demonstrating. Sentence 2: A group of people are sleeping.

C