instruction:
In this task you will be given a passage and a yes/no question based on the passage. You should answer the question using the information from the passage.
question:
passage: Dr. Meredith Grey's (Ellen Pompeo) love interest Dr. Finn Dandrige (Chris O'Donnell), the vet of Doc--the dog she shares with Shepherd--informs her that Doc has had several seizures due to his bone cancer and that she and Shepherd have to make a decision. Webber interrogates the interns individually about Duquette's LVAD wire, but only learns about their personal problems instead. Dr. Izzie Stevens (Katherine Heigl) finally accepts Duquette's marriage proposal. At Dandridge's office, Grey and Shepherd, joined by Dr. Addison Montgomery-Shepherd (Kate Walsh), decide to put Doc to sleep.
 question: does the dog die in grey's anatomy?
answer:
Yes


question:
passage: The Grand Canyon of northern Arizona in the United States, with an average depth of 1,600 m (one mile) and a volume of 4.17 trillion cubic metres, is one of the world's largest canyons. It was among the 28 finalists of the New7Wonders of Nature worldwide poll. (Some referred to it as one of the 7 natural wonders of the world.) Copper Canyon in Chihuahua, Mexico is deeper and longer than the Grand Canyon.
 question: is the grand canyon the biggest canyon in the world?
answer:
No


question:
passage: The CN Tower held the record for the world's tallest free-standing structure for 32 years until 2007 and was the world's tallest tower until 2009 being overtaken by Burj Khalifa and Canton Tower, respectively. It is now the ninth tallest tower in the world and remains the tallest free-standing structure in the Western Hemisphere. In 1995, the CN Tower was declared one of the modern Seven Wonders of the World by the American Society of Civil Engineers. It also belongs to the World Federation of Great Towers.
 question: is the cn tower one of the tallest buildings?
answer:

Yes