In the following question, select the related letter from the given alternatives.
DE : O : : AF : ?
H
K
J
I
B.
D → 4, E → 5O→(4 + 5) × 2 - 3 = 15A→ 1, F→6(1 + 6) × 2 - 3 = 14 - 3 = 11 = K