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 boy is running on a beach. Sentence 2: Two boys are playing in the beach.
[EX A]: 3

[EX Q]: Sentence 1: a cyclist is making his bike jump between two rocks. Sentence 2: A man jumps his bicycle in the air between two rocks.
[EX A]: 4

[EX Q]: Sentence 1: A red bird is perched in a tree. Sentence 2: A small red and grey bird perched in a tree.
[EX A]:
3