Pointing to a photograph, Bajpai said, 'He is the son of the only daughter of the father of my brother.'
How is Bajpai related to the man?
I. Nephew
II. Brother
III. Father
IV. Maternal Uncle

Question: 以下哪项是正确的？
Options:
A. 仅 II, B. 仅 I, C. 仅 III, D. 以上各项均不成立, E. IV 或 II
Answer: E
True statement: IV