Extract the answer to the following question from the movie plot. If the question isn't answerable, please output "Can't answer". Question: Who tries out a spell? Title: Bedknobs and Broomsticks Movie plot: During The Blitz, the three Rawlins children, Charlie, Carrie, and Paul are evacuated from London to the remote village of Pepperinge Eye. They are placed in the reluctant care of Miss Eglantine Price, a reclusive woman who agrees to the arrangement temporarily. The children attempt to run back to London, but change their minds after observing Miss Price attempting to fly on a broomstick. Miss Price reveals she is learning witchcraft through a correspondence school with hopes of using her spells in the British war effort, and offers the children a transportation spell in exchange for their silence. Miss Price casts the spell on a knob that the youngest child, Paul, has removed from the bed in the children's shared bedroom, and she adds that only Paul can work the spell. Later, Miss Price receives a letter from her school announcing its closure, thus preventing her from learning the final spell. She convinces Paul to use the enchanted bed to return the group to London and locate the headmaster of the college, Professor Emilius Browne. They discover that Browne is actually a charismatic showman who created the course from an old book he found and is surprised to learn that the spells actually work for Miss Price. He gives the book to Miss Price, but she is distraught to discover the final spell is missing. The group travels to Portobello Road to locate the rest of the book. They are approached by the spiv Swinburne. He takes them to his employer, a mysterious man known as the Bookman who possesses the remainder of the book. They exchange their pieces, but they learn only that the spell was inscribed on a medallion, the Star of Astaroth, that belonged to a sorcerer of that name. The Bookman reveals that the medallion may have been taken by a pack of wild animals, given anthropomorphism by Astaroth, to a remote island called Naboombu. The Bookman doesn't believe the island exists until Paul confirms its existence via a storybook he found at Mr. Browne's residence. The group fly on the bed and land in the...
The answer to this question is:
Miss Price