TASK DEFINITION: You are given two sentences(Sentence1 and Sentence2). Answer "Yes" if these sentences are a paraphrase of one another, otherwise answer "No".
PROBLEM: Sentence1: Its shares fell 71 cents , or 3.5 percent , in after-hours trading to $ 19.55 ., Sentence2: The stock had risen 63 cents , or 3 percent , to close at $ 20.26 in regular-session Nasdaq trading .

SOLUTION: No

PROBLEM: Sentence1: The three chains have replaced most of the 70,000 striking workers with temporary employees to keep their stores open ., Sentence2: The supermarket chains have used managers and replacement workers to keep their stores open , often at reduced hours .

SOLUTION: No

PROBLEM: Sentence1: About 700 MONUC troops are based in Bunia , but the force has neither the mandate nor the manpower to stop the fighting ., Sentence2: The United Nations has about 700 troops on the ground , but they have neither the mandate nor the manpower to stop the fighting .

SOLUTION:
Yes