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.

[EX Q]: Sentence 1: Two green and white trains sitting on the tracks. Sentence 2: Two green and white trains on tracks.
[EX A]: 4

[EX Q]: Sentence 1: The man cut some carpet with a knife. Sentence 2: A man is cutting carpet with a knife.
[EX A]: 5

[EX Q]: Sentence 1: French Fear New Serial Killer After Murders Sentence 2: Jersey Murder Trial: Killer 'Hearing Voices'
[EX A]:
1