Use reasoning to lead to the answer of the following question:
John was a terrible writer.  To practice, his teacher suggest that he consider people he knows and do what?\nOptions:\n- write novels\n- advertising firm\n- write letter\n- write notes\n- write poems

write letter
Letters are to be written by the writer.

As John was a terrible writer so his teacher suggest him that to practice he must consider people he knows and write letter.

.

So, the answer is write letter