Question

ﾖ

これのAは2つの間接疑問のif節とはなんですか？？
簡単にでいいので教えてください！

(After those substances were discovered,)
many people tried to find out /if umami was a true taste / and if it
3)
受動態
ind out A 「Aをつきとめる」
should be considered the fifth taste. I/
(should+be+過去分詞)
《ind out A)《間接疑間》 find out Aは「Aをつきとめる」で, Aは2つの間接疑間の if 節。
>訳