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.

Sentence 1: Italy soldiers die in Afghanistan Sentence 2: Two UK Soldiers Killed In Afghanistan
1

Sentence 1: A girl in orange lights a candle. Sentence 2: A girl in an orange shirt lights candles.
4

Sentence 1: A red double decker bus on a city street. Sentence 2: A red double decker bus driving down a street.

5