I heard that corn originated from North America, is that true?
user
Hm, what did you hear?
assistant
That corn came from the new world.
user
I see.  Yeah, corn is an American grain crop that’s native to North America. It wasn’t brought from Africa or the Middle East.
assistant
I heard that corn originated from North America, is that true?
user
Hm, what did you hear?
assistant
That corn came from the new world.
user
Let’s start with a little background about what corn is and how it’s used.  Then we can try to understand the question you’re asking.  This is a lot to process.
assistant
I heard that corn originated from North America, is that true?