You are given two sentences(Sentence1 and Sentence2). Answer "Yes" if these sentences are a paraphrase of one another, otherwise answer "No".

Input: Consider Input: Sentence1: Kempenaers said some species are still faithful , notably swans and sea birds such as the albatross , which mate for life and are never unfaithful to their partners ., Sentence2: Kempenaers said fidelity still exists in some species , notably swans and sea birds such as the albatross that mate for life and are never unfaithful to their partners .

Output: Yes

Input: Consider Input: Sentence1: U.S. corporate bond yield spreads tightened in spotty trading on Friday as Wall Street labored to get back on its feet after the largest power outage ever in North America ., Sentence2: U.S. stocks rose slightly on feather-light volume on Friday , as Wall Street regrouped after the biggest-ever power outage in North America .

Output: Yes

Input: Consider Input: Sentence1: Ridge said no actual explosives or other harmful substances will be used ., Sentence2: Ridge said no real explosives or harmful devices will be used in the exercise .
Output: Yes