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: fan stated the commission is primarily concerned with the term of future investment in taiwan. Sentence 2: fan stated the commission will ensure the commitments are upheld once the investments are under way.

A: 2
****
Q: Sentence 1: There is no war in the Middle east. Sentence 2: There is no "WAR" in the middle east.

A: 5
****
Q: Sentence 1: This deal makes sense for both companies, Halla said in a prepared statement. Sentence 2: Brian Halla, CEO of NatSemi, claimed the deal made sense for both companies.

A:
3
****