You will be given a definition of a task first, then some input of the task.
In this task you are given a sentence pair from wikipedia that have high lexical overlap. If the sentences have the same meaning and are just paraphrases of each other label them as "Paraphrase" , if not label them as "Not paraphrase". The two sentences are seperated by a new line.

The ITSEC has been largely replaced by Common Criteria , which implements similarly-defined evaluation levels and provides the target of evaluation concept and the Security Target document .
ITSEC has been largely replaced by Common Criteria , which provides similarly defined evaluation levels and implements the goal of the evaluation concept and the security target document .
Output:
Not paraphrase