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 little girl walks on a boardwalk with blue domes in the background. Sentence 2: A man going over a jump on his bike with a river in the background
[A]: 0


[Q]: Sentence 1: A bird sits in a tree. Sentence 2: A bird sits in a leafless tree.
[A]: 4


[Q]: Sentence 1: Umm, that pretty clearly states, "the statute is presumed constitutional." Sentence 2: And until they decide that, "the statute is presumed constitutional."
[A]:
3