Question

めがね

ふたつ目なぜwhoseなんですか？

1「~する(人)」
Audrey Hepburn was an actress who did a lot of charity work.
I applaud all the baseball players whose careers have encouraged young children.
The scientist who [whom] I admire the most is Stephen Hawking.
>目的格の who [whom] は省略されることが多い
cot

Answer 1

taka

①I applaud all the baseball players. ＋ ②Their(代名詞：所有格) careers have encourage young children.
⇒ I applaud all the baseball players whose(関係代名詞：所有格) careers have encourage young children.
※①のbaseball playersと、②のtheirが共通の人を表し、代名詞theirを関係代名詞whoseに変えて①と②を繋いだのが例文

参考にしてください。