In a certain code language, 'This is my brother' is written as 'Bo UvZs Mn', 'That is my dog' is written as 'Zs Pt Uv Ga', 'This is your father' is written as 'Bo Uv Ex Yz'. How will 'brother' be written in that language?

A

Zs

B

Uv

C

Bo

D

Mn