I find my new fountain pen easy to write with, and I really like it.

He is majoring in phonology at university.

Proto-Indo-European is considered the origin of many modern languages.

A special event was held to celebrate his 100th birthday anniversary.

Sennenji is my best friend.

This fountain pen is my favorite.

We go on a family trip once a year.

Sannen is my best friend, and he is a very interesting person.

Kou Sennen is my best friend.

I was able to know the truth of the hundredth year.