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: A group of youngsters swim in lake water Sentence 2: Many children are playing and swimming in the water.
[EX A]: 4

[EX 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
[EX A]: 0

[EX Q]: Sentence 1: The man ran and jumped against the wall. Sentence 2: A man jumps into a wall.
[EX A]:
3