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: 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.
[A]: 0


[Q]: Sentence 1: A person is squeezing through an opening in the rock face. Sentence 2: A medium sized brown dog is running through an open white wooded area.
[A]: 0


[Q]: Sentence 1: Three dogs running on a racetrack. Sentence 2: Three dogs round a bend at a racetrack.
[A]:
5