Still feeling sick; braindead; can’t really write much. Here’s something short.
“Halt!” shouted the troll.
“Hail!” replied the knave.
“Give coin to pay the toll.”
“I’ll try the riddle, if I may.”
“What once was, and wasn’t once, and never was again?”
“Any answer that I give, the giving makes it wrong.”
“Then you may pass,” grumbled the troll.
The knave when on his way.