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 man is running on the road. Sentence 2: A panda dog is running on the road.
[EX A]: 2

[EX Q]: Sentence 1: a train rides on his tracks. Sentence 2: The train comes down the track, between two rows of trees.
[EX A]: 3

[EX Q]: Sentence 1: Egypt Crackdown Draws Condemnation Sentence 2: Egypt: Egypt crackdown sparks global outrage
[EX A]:
5