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.

[Q]: Sentence 1: A dog in in a car. Sentence 2: A dog is biting a mop.
[A]: 1


[Q]: Sentence 1: Train in a station. Sentence 2: Trains inside an indoor station.
[A]: 4


[Q]: Sentence 1: Red sports car racing down track. Sentence 2: A red sports car driving quickly on a track.
[A]:
5