An overpowering smell of detergent tickled your nose. Straightening your back from your previous slouching posture, you stretched and made a weird noise of satisfaction. A completed piece of algebra assignment lay neatly on the table in front of you, and you scanned the page contentedly. That strong detergent smell was still irritating your nose. You got up, about to go hunt for the culprit of the detergent malfunction when your phone dinged.