To assure that an architect will be roomed at the inn, a character in this play claims that the architect designed Caernarvon (“ker-NAR-vun”) Castle for the Duke of Wales. This play’s protagonist achieved third place at the Cambridge Mathematical Tripos (“TRY-poss”) to win a fifty-pound (10[1])bet. Later, this play’s protagonist holds the muzzle of a rifle to her breast, and says “Fire now. You may.” after a man claims that a reverend’s (10[1])son is her half-brother. (10[2])Along with The Philanderer and Widowers’ Houses, this is one of its author’s three “Plays Unpleasant.” (10[1])This play’s final act is set in Honoria Fraser’s law (10[1])office, (10[2]-5[1])where the protagonist (10[1])refuses (-5[1])to join Mr. Praed (-5[1])on a trip to Europe, after learning about a business funded by Sir (10[1])George Crofts. (10[1]-5[1])For 10 points, name this play (-5[1])by George Bernard Shaw in (-5[1])which Vivie discovers that her mother (10[1])runs a chain (10[2])of brothels. ■END■ (10[6]0[5])