Read the following premise and answer if the hypothesis is true.
Things Happen at Night is a 1947 British supernatural ghost comedy film directed by Francis Searle and starring Gordon Harker, Alfred Drayton, Robertson Hare and Gwynneth Vaughan. The film is based upon a stage play, "The Poltergeist", by Frank Harvey Jnr.
Hypothesis: The stage play, "The Poltergeist", is based upon a supernatural ghost comedy film called "Things Happen at Night".. Is the answer "Yes", "No", or "It's impossible to say"? Respond with only the answer and no additional text.
No
It's impossible to say.