TASK DEFINITION: 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.
PROBLEM: Sentence 1: 2 dead, 2 injured in Nevada middle school shooting Sentence 2: Nevada: 2 dead, 2 hurt in middle school shooting

SOLUTION: 5

PROBLEM: Sentence 1: A black dog stands next to materials at a construction site. Sentence 2: An Asian toddler girl sits next to a pot of flowers on a marble post.

SOLUTION: 0

PROBLEM: Sentence 1: You might not like Obamas views, but he has them. Sentence 2: You might not like the positions he holds, but atleast he has them.

SOLUTION:
3