Answer:
What goes in the water red, and comes out black?
Two bodies have I, though both joined in one. The more still I stand, the quicker I run.
I have three hundred cattle, with a single nose cord
My second is performed by my first, and it is thought a thief by the marks of my whole might be caught.
Has no feet, but travels far. Is literate, but not a scholar. Has no mouth, yet clearly speaks.
What is always coming but never arrives?