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 group of penguins is walking. Sentence 2: A large amount of penguins are heading to the ocean.
[A]: 3


[Q]: Sentence 1: The gloves are off, said UNIFI official Rob O'Neill. Sentence 2: Unifi official Rob O'Neill said: "The gloves are off.
[A]: 5


[Q]: Sentence 1: A child with his hands on his head. Sentence 2: A little boy stands with his hands on top of his head
[A]:
4