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: A black and white photo of a woman showing a horse. Sentence 2: a black and white photo of cows in their stalls.

Answer: 1


Question: Sentence 1: The UK population is just over  million. Sentence 2: The Japanese population is nearly  million.

Answer: 1


Question: Sentence 1: A black and white photo of an old train station. Sentence 2: A black and white photo of a motorcycle laying on the ground.

Answer:
0