TASK DEFINITION: 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.
PROBLEM: Carmelo Ríos ran for mayor of Guaynabo on August 5 , 2017 in a special election to replace former Mayor Hector O'Neill , but lost against Angel Perez .
Hector O 'Neill ran on 5 August 2017 in a special election for mayors of Guaynabo to replace former mayor Angel Perez , but lost against Carmelo Ríos .

SOLUTION: Not paraphrase

PROBLEM: It is not known if seronegative myasthenia gravis will respond to standard therapies .
It is not known whether seronegative myasthenia will respond gravis to standard therapies .

SOLUTION: Paraphrase

PROBLEM: Craig Short left the club at the end of the season and was replaced by Steve Cotterill .
Manager Steve Cotterill left the club at the end of the season , and was replaced by Craig Short .

SOLUTION:
Not paraphrase