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: The SIA says the DRAM market is expected to grow 2.9 percent to $15.7 billion in 2003 and 43 percent to $22.5 billion in 2004. Sentence 2: The Americas market will decline 2.1 percent to $30.6 billion in 2003, and then grow 15.7 percent to $35.4 billion in 2004.
[EX A]: 1

[EX Q]: Sentence 1: Page said it's also possible that genes on the Y chromosome may influence gender-specific differences in disease susceptibility. Sentence 2: He added that genes on the Y might play a role in influencing gender-specific differences in disease susceptibility.
[EX A]: 4

[EX Q]: Sentence 1: A girl in a red shirt is riding a brown horse. Sentence 2: A tan and white dog laying in bed with a yellow coverlet.
[EX A]:
0