Context: Trade happens when people agree to exchange goods and services. People give up something to get something else. Sometimes people barter, or directly exchange one good or service for another.
Andrew and Roy open their lunch boxes in the school cafeteria. Both of them could be happier with their lunches. Andrew wanted broccoli in his lunch and Roy was hoping for tomatoes. Look at the images of their lunches. Then answer the question below.
What can Andrew and Roy trade to each get what they want?
A. Andrew can trade his tomatoes for Roy's sandwich.
B. Andrew can trade his tomatoes for Roy's broccoli.
C. Roy can trade his almonds for Andrew's tomatoes.
D. Roy can trade his broccoli for Andrew's oranges.
Answer with the option's letter from the given choices directly.

B