Solve the riddle:
A muttered rumble was heard from the pen, and I, in my walking stopped to look in. What was this I saw?
A massive beast, hoofed, and jawed.
With spikes upon its mighty brow, I watched as he struck the turf and prowled.
And yet for all of his magnificence, he couldn’t get out of that wooden fence.

Below you will find a hint and the correct answer to the riddle.
Little hint:
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Hint: B**l.
Right answer:
Show answer
Answer: Bull.