I was amazed at his genius idea.

Calculating the natural logarithm is an important part of mathematics.

His intention was clear.

She is pansexual and can love people regardless of gender.

The whole area of the park is covered with flowers.

My bicycle is broken, so I need to mend it.

His explanation was clear and easy to understand.

The maintenance of this park is our responsibility.

We have a responsibility to conserve the natural environment.

His father was born in Japan before the war.