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 little girl walks on a boardwalk with blue domes in the background. Sentence 2: A man going over a jump on his bike with a river in the background

A: 0
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Q: Sentence 1: A dog jumps in midair to catch a Frisbee. Sentence 2: The brown dog jumps for a pink Frisbee.

A: 4
****
Q: Sentence 1: The federal and local governments remained largely shut down in the aftermath of Hurricane Isabel, as were schools, and much of the region's transportation network was slowed. Sentence 2: In the aftermath of Hurricane Isabel, federal and local governments remained shut down, as did schools and many businesses.

A:
3
****