Is it rude to order something expensive if someone offers to buy you dinner/lunch?

Lets say someone offers to take you out to lunch or dinner and they offer to pay, whether it's a friend, a date, family member, whoever. Is it rude to order something expensive if you know they're the one whos paying?
Yes, you shouldn't be too greedy
No, they offered to pay.
other
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Is it rude to order something expensive if someone offers to buy you dinner/lunch?
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