Sentence:  "B.W. Wooster:" If you ask me, <WSD>art</WSD> is responsible for most of the trouble in the world./ "R. Jeeves:" An interesting theory, sir. Would you care to expatiate upon it?/ "B.W. Wooster:" As a matter of fact, no, Jeeves. The thought just occurred to me, as thoughts do./ "R. Jeeves:" Very good, sir. 
Meaning of the word marked with <WSD> tags:  The conscious production or arrangement of sounds, colours, forms, movements, or other elements in a manner that affects the senses and emotions, usually specifically the production of the beautiful in a graphic or plastic medium.