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: In Kentucky , Democratic Attorney General Ben Chandler faces U.S. Rep. Ernie Fletcher ., Sentence2: Kentucky : Republican Ernie Fletcher , a three-term House member , is battling Democratic state Attorney General Ben Chandler .

Ex Output:
Yes


Ex Input:
Sentence1: " Oh , it 's never fun to be No 4 , especially if you 've been No 1 before ., Sentence2: " It 's never fun to be No. 4 , especially if you 've been No. 1 before , ' ' said Williams . "

Ex Output:
Yes


Ex Input:
Sentence1: Shares of Berkeley , California-based Xoma dropped 89 cents , or 16 percent , to $ 4.60 in Instinet trading ., Sentence2: Shares in Berkeley-based Xoma lost 77 cents , or 14 percent , to close at $ 4.72 each in trading on the Nasdaq Stock Market .

Ex Output:

No