Original sentence: Also in these films, castor oil is used as a prank item, as a substitute for something more savory, such as pancake syrup.As Sandy begins her first day at Rydell, the school nurse clocks in saying, "It's the first day of school, and already my castor oil's missing.Castor oil is also referenced as a prank item in the popular movie Grease (film).In films of the early 20th century, Castor oil is often cited as an unsavory medicine given to children who suffer from any ailment whatsoever.Most notably in Hal Roach's Our Gang comedies, many of the short films will show adults, parents, and doctors administering castor oil to any of the children who appear to be sick, to the children's disgust