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: A orange and white cat asleep on a leather chair. Sentence 2: A ginger cat sitting on an office chair.

SOLUTION: 3

PROBLEM: Sentence 1: Philippines defers comment on Taiwan fisher attack Sentence 2: Bin Laden's continuing sway shown in Kenya mall attack

SOLUTION: 0

PROBLEM: Sentence 1: A bald man touches the nose of a black horse on the other side of a fence. Sentence 2: A bald man with a beard pets the nose of a black and white horse at the fence.

SOLUTION:
3