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: Avengers sets box office record Sentence 2: The Hunger Games breaks US box office record

A: 1
****
Q: Sentence 1: 3 dead, 27 injured in SW China accident Sentence 2: 35 dead and 165 missing in India boat accident

A: 0
****
Q: Sentence 1: Black bird sitting on a concrete slab. Sentence 2: Small dog sitting next to white wall.

A:
1
****