My grandfather is seventy years old.

My younger sister is seventeen years old.

In organic chemistry, thiazine is one of the important compounds.

He is behaving like a fool.

A festival to worship the local deity is held every year in this area.

They attacked the enemy's military position.

I saw a hummingbird hawk-moth flying from flower to flower.

We will issue a follow-up report soon.

We have no choice but to wait for the follow-up news.

Every year on January 7th, we celebrate Nanakusa no Sekku, also known as Jinjitsu.