He built a fort on top of the mountain.

My wife is good at cooking.

This textbook is divided into 10 sections.

He has the ability to solve that problem.

We gathered nuts in the forest.

He performs a Buddhist ritual at home every day.

Sai is my best friend.

Mr. Saito is my best friend.

My younger sister will turn 20 years old this year.

Due to the disaster, our town suffered great damage.