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.

Ex Input:
passage: While mentioned in passing throughout later seasons, Burke officially returns in the tenth season in order to conclude Cristina Yang's departure from the series.
 question: does dr burke come back in grey's anatomy?

Ex Output:
Yes


Ex Input:
passage: To maintain lactation, a dairy cow must be bred and produce calves. Depending on market conditions, the cow may be bred with a ``dairy bull'' or a ``beef bull.'' Female calves (heifers) with dairy breeding may be kept as replacement cows for the dairy herd. If a replacement cow turns out to be a substandard producer of milk, she then goes to market and can be slaughtered for beef. Male calves can either be used later as a breeding bull or sold and used for veal or beef. Dairy farmers usually begin breeding or artificially inseminating heifers around 13 months of age. A cow's gestation period is approximately nine months. Newborn calves are removed from their mothers quickly, usually within three days, as the mother/calf bond intensifies over time and delayed separation can cause extreme stress on both cow and calf.
 question: do cows need to give birth to produce milk?

Ex Output:
Yes


Ex Input:
passage: Since the late 2000s, the Canadian dollar has been valued at levels comparable to the years before the swift rise in 2007. A dollar in the mid 70 cent US range has been the usual rate for much of the 2010s.
 question: is american money worth more than canadian money?

Ex Output:

Yes