Task: Question Answering
Input (English): passage: The storyline was softly rebooted with a main narrative led by an adult Henry Mills, set several years after last season's events. In February 2018, it was announced the seventh season would serve as the final season of the series; the season and series concluded on May 18, 2018.
 question: is season 7 the last season for once upon a time?
Output (English): Yes