Evaluate the similarity between them and classify them into classes from 0-5 as follows:
0 : The two sentences are completely dissimilar.
1 : The two sentences are not equivalent, but are on the same topic.
2 : The two sentences are not equivalent, but share some details.
3 : The two sentences are roughly equivalent, but some important information differs/missing.
4 : The two sentences are mostly equivalent, but some unimportant details differ.
5 : The two sentences are completely equivalent, as they mean the same thing.
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Question: Sentence 1: Mr Colpin did not specify whether it was this system that was at the centre of the investigation. Sentence 2: Neither OLAF nor the Belgian prosecutors have specified if it was this system that was at the centre of the investigation.

Answer: 2


Question: Sentence 1: myanmar was formerly known as burma. Sentence 2: myanmar was formerly called burma.

Answer: 5


Question: Sentence 1: A woman is filing her fingernails with an emery board. Sentence 2: A woman is feeding her baby with a bottle.

Answer:
0