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 woman rides a horse. Sentence 2: A woman is riding a horse.
[A]: 5


[Q]: Sentence 1: A woman is slipping in the water-tub. Sentence 2: A woman is lying in a raft.
[A]: 1


[Q]: Sentence 1: A woman is cutting flowers. Sentence 2: A man is holding huge sunflowers.
[A]:
1