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 Q]: passage: In mathematics, a polynomial is an expression consisting of variables (also called indeterminates) and coefficients, that involves only the operations of addition, subtraction, multiplication, and non-negative integer exponents of variables. An example of a polynomial of a single indeterminate x is x 4x + 7. An example in three variables is x + 2xyz yz + 1.
question: does a polynomial have to have a variable?
[EX A]: Yes

[EX Q]: passage: In geometry, a square is a regular quadrilateral, which means that it has four equal sides and four equal angles (90-degree angles, or (100-gradian angles or right angles). It can also be defined as a rectangle in which two adjacent sides have equal length. A square with vertices ABCD would be denoted ◻️ (\displaystyle \square ) ABCD.
question: does a square have to have right angles?
[EX A]: Yes

[EX Q]: passage: A second season of the anime series was announced on the opening day of the first theatrical film, which was originally set to be released in 2016. It was then confirmed in the January 2017 issue of the Bessatsu Shonen Magazine that the second season would premiere in April 2017. Masashi Koizuka directed the second season, with Araki acting as chief director. It has also been licensed by Funimation. It ran for 12 episodes.
question: did attack on titan season 2 come out?
[EX A]:
Yes