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

Ex Input:
Sentence1: It was the first speech by a US president to a joint session of the Philippines Congress since 1960 ., Sentence2: President Bush on Saturday became the first American president to address a joint session of the Philippine National Congress since Dwight Eisenhower in 1960 .

Ex Output:
Yes

Ex Input:
Sentence1: The identical rovers will act as robotic geologists , searching for evidence of past water ., Sentence2: The rovers act as robotic geologists , moving on six wheels .

Ex Output:
No

Ex Input:
Sentence1: Scholars in medical ethics have said the issue of medicating patients to improve their mental health to execute them might present formidable obstacles for doctors ., Sentence2: Scholars in medical ethics have said the notion of medicating people to improve their mental health to the point where they may be executed can present formidable obstacles for doctors .

Ex Output:
Yes