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.

[Q]: passage: While some gold medals are solid gold, others are gold-plated or silver-gilt, like those of the Olympic Games, the Lorentz Medal, the United States Congressional Gold Medal and the Nobel Prize medal. Nobel Prize medals consist of 18 karat green gold plated with 24 karat gold. Before 1980 they were struck in 23 karat gold.
 question: is the olympic gold medal made of gold?
[A]: No


[Q]: 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?
[A]: Yes


[Q]: passage: Genetic sexual attraction (GSA) is a term for an overwhelming sexual attraction that may develop between close blood relatives who first meet as adults.
 question: can siblings fall in love with each other?
[A]:
Yes