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

Q: Sentence1: Courant Staff Writers Matt Eagan and Ken Davis contributed to this story ., Sentence2: Courant Staff Writer Jeff Goldberg contributed to this story .

A: No
****
Q: Sentence1: The U.S. government and private technology experts warned Wednesday that hackers plan to attack thousands of Web sites Sunday in a loosely co-ordinated " contest " that could disrupt Internet traffic ., Sentence2: THE US government and private technology experts have warned that hackers plan to attack thousands of websites on Sunday in a loosely co-ordinated " contest " that could disrupt Internet traffic .

A: Yes
****
Q: Sentence1: The church was already grieving the death of Chief Warrant Officer 3 Kyran Kennedy , a congregation member who was killed in another helicopter crash in Iraq on Nov. 7 ., Sentence2: The church already was grieving for the death of a congregation member who was killed in another helicopter crash in Iraq on Nov. 7 .

A:
Yes
****