Mr. Moriguchi is my best friend.

Mr. Sekiguchi is my best friend.

Mizuguchi is my best friend.

A drop of water fell from the cup.

Xanthine is a type of alkaloid, which is found in coffee and tea.

He was a swordsman named Zan in the past.

His poetry is prosaic, lacking rhythm and rhyme.

His trilogy is very popular.

Liquid oxygen is often used as rocket fuel.

Water is dripping from the tap.