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: All rounds are best-of-seven series. Series are played in a 2--2--1--1--1 format, meaning the team with home-court advantage hosts games 1, 2, 5, and 7, while their opponent hosts games 3, 4, and 6, with games 5--7 being played if needed. This format has been used since 2014, after NBA team owners unanimously voted to change from a 2--3--2 format on October 23, 2013.
Solution:
is the first round of the nba playoffs a 5 game series?