Let's refrain from using air conditioning for energy saving.

He works at the Ministry of Health, Labour and Welfare.

He is working at the ministry.

He works at the Ministry of Health, Labour and Welfare.

The Ministry of Internal Affairs and Communications is one of the administrative organs of Japan.

Shogo is my best friend.

I love the game called Shisen-Sho.

This smartphone has a power-saving mode.

Shousaku is my best friend.

This sentence is too long, please abbreviate it.