In this task you will be given an answer to a question. You need to generate a question. The answer given should be a correct answer for the generated question.

Example Input: Once Upon a Time's first season received 'generally favorable' reviews from critics. Metacritic gave it a score of 66 out of 100 based on 26 reviews. The pilot episode was watched by 12.93 million viewers and achieved an adult 18 -- 49 rating / share of 4.0 / 10. The second season premiered on September 30, 2012, to an audience of 11.36 million viewers, while the third season began on September 29, 2013, opening to 8.52 million viewers. In May 2014, ABC renewed the show for its fourth season, premiering in September 2014 to an audience of 9.47 million viewers. The series was renewed for a fifth season in May 2015 and for a sixth season in March 2016. On May 11, 2017, ABC renewed the series for a 22-episode seventh season. In February 2018, it was announced the seventh season would serve as the final season of the series.
Example Output: when does once apon a time come back on

Example Input: Set in the small suburban town of Rosewood, Pennsylvania (not far from Philadelphia), the series follows the lives of five girls: Spencer Hastings, Alison DiLaurentis, Aria Montgomery, Hanna Marin and Emily Fields, whose clique falls apart after the leader of the group, Alison, goes missing. One year later, the remaining estranged friends are reunited as they begin receiving messages from a mysterious villain named 'A' or 'A.D.', who threatens and tortures them for the mistakes they have made before and after Alison's death. At first, they think it is Alison herself, but after her body is found, the girls realize that someone else is planning on ruining their lives.
Example Output: who are the liars in pretty little liars

Example Input: The Man Who Walked Between the Towers is a children's picture book written and illustrated by American Mordicai Gerstein. Published in 2003, the book recounts the heart-stopping achievement of Philippe Petit, a French man who, on an August morning in 1974, walked, lay, knelt and danced on a tightrope wire between the roofs of the twin towers of the World Trade Center, a quarter mile above the ground. Gerstein won the 2004 Caldecott Medal for his illustrations. The book has been adapted to film and ballet.
Example Output:
what is the theme of the man who walked between the towers