tower of fantasy(幻塔)

所有格の関係代名詞whoseの書き換えについてです

…先行詞が物の場合は、 whose の代わりに of which を用いて書き換えられるということで例文として、 This is the church whose tower is the tallest in the country. = This is the church the tower of which is the tallest in...…