次の２つの文を関係代名詞を用いて１文にしなさい。
The man ( ) I saw was very young. [拓殖大第一高](1)whom (2)who (3)which (4)what
The girl I talked ( ) about you is a famous singer. [桐蔭高](1) about (2) of (3) with (4) on (5) for