Read the following conversation and answer the question.

W: Can you change the bill for me please?

M: Sure, 5, 10, 15, 20. OK, 20.

W: Can I have some coins? I need them for a phone call.

M: Here you are.

Question: What can we learn from this conversation? 

- The woman is paying the bill.

- The woman has a 20-dollar bill changed.

- The man pays 20 dollars to the woman.


The woman has a 20-dollar bill changed.