In this task, you're given an ambiguous question (which can be answered in more than one way). Your task is to provide one question which clarifies the input question and it has one unique answer, and also provide an answer to the generated question. Generated question and answer should be separated with a new line.

[Q]: What do brackets in an chemical equation mean?
[A]: What do square brackets in an chemical equation mean for molecules? 
 used around the chemical molecular formula


[Q]: What part of italy does lasagna come from?
[A]: What region of italy does lasagna come from? 
 Campania, Emilia-Romagna, Marche


[Q]: Who played in last years half time show?
[A]:
Who played in Super Bowl LI's Halftime Show? 
 Lady Gaga