The cause of his lateness was a train delay.

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.

In this math problem, we calculate so that the numbers before and after the equals sign are the same.

The answer to this problem is five equals five.