Question: Rob Reiner adapted directed and co-produced what comedy fantasy adventure that was named after what novel by William Goldman?
Sentence (from "The Princess Bride (film)"): Adapted by William Goldman from his 1973 novel of the same name, it tells the story of a farmhand named Westley, accompanied by befriended companions along the way, who must rescue his true love Princess Buttercup from the odious Prince Humperdinck.
Relevant evidence: Yes