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.

[EX Q]: Sentence 1: Another shooting linked to the spree occurred Nov. 11 at Hamilton Central Elementary in Obetz, about two miles from the freeway. Sentence 2: The latest shooting linked to the spree was a Nov. 11 shooting at Hamilton Township Elementary School in Obetz, about two miles from the freeway.
[EX A]: 5

[EX Q]: Sentence 1: Mr Colpin did not specify whether it was this system that was at the centre of the investigation. Sentence 2: Neither OLAF nor the Belgian prosecutors have specified if it was this system that was at the centre of the investigation.
[EX A]: 2

[EX Q]: Sentence 1: A man riding his bike on the beach by the ocean. Sentence 2: A man walking his cow down the side of the road.
[EX A]:
1