TASK DEFINITION: In this task, you are given a question and an answer. Answer "Yes" if the given answer correctly answers the question, otherwise answer "No".
PROBLEM: how much are the harry potter movies worth, Answer: Also due to the success of the books and films, Harry Potter has been used for a theme park, The Wizarding World of Harry Potter in Universal Parks & Resorts 's Islands of Adventure .

SOLUTION: No

PROBLEM: how a rocket engine works, Answer: Since they need no external material to form their jet, rocket engines can be used for spacecraft propulsion as well as terrestrial uses, such as missiles .

SOLUTION: No

PROBLEM: how a silencer works, Answer: Using a suppressor in long distance shooting (i.e. greater than 300 meters) can lessen, or retard, the report at the moment of impact, and create the impression of silence near the target.

SOLUTION:
No