Three candles X, Y, and Z are fixed on a table. A glass chimney is placed over candle X, and is rested on wooden blocks in a manner which allows the entrance of oxygen. To candle Y, a glass chimney is placed in such a way that it is simply rested on the table. For candle Z, a similar arrangement is made along with the placement of a glass plate over the chimney. Candle _____i____ bums freely. The flame of candle _____ii_____ will flicker off giving smoke, and that of candle _____iii_____ will simply go off. The information in which alternative completes the given statements?

• A. i-X, ii-Y, iii-Z
• B.  i-Z, ii-Y, iii-X
• C. P because it gives more proteins and energy
• D.  i-Z, ii-X, iii-Y