Primates are a part of mammals that includes humans.

This rock is gabbro.

A cellar spider is making a web in the corner of the room.

The pond in the park is very beautiful.

Iku is deeply interested in Japanese culture.

In ancient times, people believed that when thunder roared, the gods were angry.

Today is my birthday, a very lucky day.

My mother is attending a flower arrangement class.

His opinion is always unique.

These two numbers are equal.