You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
You will be given a passage, and your task is to generate a Yes/No question that is answerable based on the given passage.

Powdered sugar, also called confectioners' sugar, icing sugar, and icing cake, is a finely ground sugar produced by milling granulated sugar into a powdered state. It usually contains a small amount of anti-caking agent to prevent clumping and improve flow. Although most often produced in a factory, powdered sugar can also be made by processing ordinary granulated sugar in a coffee grinder, or by crushing it by hand in a mortar and pestle.
Solution: is confectionary sugar the same as powdered sugar?
Why? The question is a yes/no question, and it is answerable based on the given passage.

New input: The firm's primary operating subsidiary is national bank Wells Fargo Bank, N.A., which designates its main office as Sioux Falls, South Dakota. Wells Fargo in its present form is a result of a merger between San Francisco--based Wells Fargo & Company and Minneapolis-based Norwest Corporation in 1998 and the subsequent 2008 acquisition of Charlotte-based Wachovia. Following the mergers, the company transferred its headquarters to Wells Fargo's headquarters in San Francisco and merged its operating subsidiary with Wells Fargo's operating subsidiary in Sioux Falls. Along with JPMorgan Chase, Bank of America, and Citigroup, Wells Fargo is one of the ''Big Four Banks'' of the United States. As of December 2017, it had 8,200 retail branches and 13,000 automated teller machines. The company operates across 35 countries and has over 70 million customers globally.
Solution:
is wells fargo associated with bank of america?