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.

[EX Q]: Sentence 1: Man cleans roller coaster. Sentence 2: Cleaning roller coaster
[EX A]: C

[EX Q]: Sentence 1: A young man sitting at a table in a long room with food counters and customers. Sentence 2: A young man is eating his lunch at a table.
[EX A]: N

[EX Q]: Sentence 1: An African man is working with a wooden machine. Sentence 2: The man is exerting stress upon the machine.
[EX A]:
C