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.
Nathan and Xavier open their lunch boxes in the school cafeteria. Both of them could be happier with their lunches. Nathan wanted broccoli in his lunch and Xavier was hoping for tomatoes. Look at the images of their lunches. Then answer the question below.
What can Nathan and Xavier trade to each get what they want?
A. Xavier can trade his almonds for Nathan's tomatoes.
B. Nathan can trade his tomatoes for Xavier's broccoli.
C. Nathan can trade his tomatoes for Xavier's sandwich.
D. Xavier can trade his broccoli for Nathan's oranges.
Select the correct answer from the given choices and respond with the letter of the chosen option.

B