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.
--------
Question: Sentence 1: tin foil hat for the dog face, what size do u wear? Sentence 2: tin foil hat for the sarg, what size do u wear?

Answer: 3


Question: Sentence 1: Yahoo agrees to buy Tumblr for $1.1 billion cash Sentence 2: Yahoo to Buy Tumblr for $1.1 Billion

Answer: 5


Question: Sentence 1: President Bush raised a record-breaking $49.5 million for his re-election campaign over the last three months, with contributions from 262,000 Americans, the president's campaign chairman said Tuesday. Sentence 2: President Bush has raised $83.9 million since beginning his re-election campaign in May, and has $70 million of that left to spend, his campaign said Tuesday.

Answer:
2