He was the ringleader of that incident.

I was asked to tune the piano.

It's better to leave the tuning of the piano to a professional.

Shop manager, do we have stock of the new product?

The Tenchō era is a part of Japanese history, which lasted from 824 to 834.

While playing the piano, he skillfully modulated.

A new sculpture was installed in the park.

We reached the summit of the mountain.

He was obedient to what his parents said.