Jin is my best friend.

He is knowledgeable about human affairs.

Choosing a leader for the new project is very important.

In medical classes, we learn about the structure of the human body.

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

He is suffering from inflammation of the renal pelvis.

I like reading science fiction books.

He likes to read nonfiction books.

She loves writing fan fiction.

He has many Taiwanese friends.