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.
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Question: passage: If f is differentiable at a point x, then f must also be continuous at x. In particular, any differentiable function must be continuous at every point in its domain. The converse does not hold: a continuous function need not be differentiable. For example, a function with a bend, cusp, or vertical tangent may be continuous, but fails to be differentiable at the location of the anomaly.
 question: if a function is continuous then it is differentiable at that point?

Answer: Yes


Question: 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?

Answer: Yes


Question: passage: Thanksgiving, or Thanksgiving Day, is a national holiday celebrated on the fourth Thursday of November. It originated as a harvest festival. Thanksgiving has been celebrated nationally on and off since 1789, after Congress requested a proclamation by George Washington. It has been celebrated as a federal holiday every year since 1863, when, during the American Civil War, President Abraham Lincoln proclaimed a national day of ``Thanksgiving and Praise to our beneficent Father who in the Heavens,'' to be celebrated on the last Thursday in November. Together with Christmas and the New Year, Thanksgiving is a part of the broader fall/winter holiday season in the U.S.
 question: is thanksgiving always the third thursday in november?

Answer:
No