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 dog with a red toy in it's mouth. Sentence 2: A brown dog is carrying a stick in its mouth.
[A]: 2


[Q]: Sentence 1: Cuba's 'Ladies' to pick up EU prize 8 years late Sentence 2: Cuba's 'Ladies' to Pick Up EU Prize 8 Years Later
[A]: 5


[Q]: Sentence 1: Washington, however, said more was needed to prevent complaints being filed in the first place. Sentence 2: But the US insisted it wanted more done to prevent complaints being filed in the first place, preferably by repealing the entire law.
[A]:
3