Take the following as truth: 15 It was a long time before Tuppence went to sleep that night, and, when at length she did, she dreamed that Mr. Whittington had set her to washing up a pile of Esthonia Glassware, which bore an unaccountable resemblance to hospital plates! 
Then the following statement: "That night, Tuppence dreamed about washing white glassware." is true, false, or inconclusive?
Answer: Inconclusive