Answer:
BGHA
Explanation:
You have to find all of the coordinates first in the order they are written:
(0,4)
(-4,3)
(2,0)
(0,-1)
Now use the code at the right to find the letters for each coordinate:
(0,4) B
(-4,3) G
(2,0) H
(0,-1) A
Now write it in this order (all caps): BGHA.
Hope it helps and is correct!