Diet
The Diet, Congress, Parliament, Assembly
noun
The place you meet for deliberation in Japan is called the Diet. It's their version of congress.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
もう議会で決定したことなんだ。
The Diet has already come to a decision.
私たちの出した意見書が、議会で可決されました。
The opinion letter we submitted was passed by the Assembly.
ウトウトする議員が多いので、議員たちは議会ではイスに座らず、立って議論することになりました。
Due to many lawmakers dozing off, members of the parliament have decided to stand and debate instead of sitting during sessions.