Which of the following indicates similar relationship as BRANCH has with DTCLAF?

Correct Answer: (C) DPGGPF : FRIEND

In BRANCH to DTCLAF, the first three letters shift by +2 positions ($B \to D, R \to T, A \to C$) and the last three letters shift by -2 positions ($N \to L, C \to A, H \to F$). Similarly, applying the exact same rule (+2, +2, +2, -2, -2, -2) to DPGGPF transforms it into FRIEND: $D(+2)=F, P(+2)=R, G(+2)=I, G(-2)=E, P(-2)=N, F(-2)=D$.