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: China ‚Äėwill protect interests‚Äô of foreign business Sentence 2: Obama in ‚Äėdirect‚Äô confrontation with Putin on Ukraine

A: 0
****
Q: Sentence 1: A man removes a couple of toaster scrambles from a plastic packet. Sentence 2: A man removes food from a bag.

A: 2
****
Q: Sentence 1: A helicopter is landing on a helipad. Sentence 2: A helicopter lands.

A:
4
****