Read the following conversation and answer the question.

M: I'm going to the school and I'll pass the supermarket on my way back. Do you need to buy anything,mum? I heard you said there's no coffee at home.

W: You father bought it. Please buy a kilo of sugar, two kilos of rice and a pack of tea, Matthew.

Question: What shouldn't Matthew buy? 

- Tea.

- Sugar.

- Coffee.


Coffee.