NOT KNOWN FACTUAL STATEMENTS ABOUT RIDDLES

Issue: What operates but hardly ever walks, has a mattress but by no means sleeps, a mouth that in no way speaks, and also a head that in no way weeps?Query: Remodel the term "CAT" in the word "Pet dog" by shifting 1 letter at any given time, with Just about every step resulting in a legitimate English phrase.Then he went within the left aspect wit