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: A man stands astride a bike on a rocky trail by a lake. Sentence 2: A woman is wearing a white headband, purple tank top and black gloves.

Answer: 0


Question: Sentence 1: five people standing on a sidewalk Sentence 2: Five people on a sidewalk.

Answer: 5


Question: Sentence 1: Westgate mall attackers spent four months planning in Nairobi Sentence 2: Westgate attackers spent four months planning in Nairobi, says official

Answer:
5