He is taking a calligraphy class.

I plan to visit my friend's house tomorrow.

We are siblings born from the same mother.

He is studying Japanese grammar.

This restaurant has an all-you-can-drink plan.

Radiation therapy is often used in cancer treatment.

He is undergoing music therapy.

I am waiting for the visitor to come.

He learned how to operate a howitzer.

This area has plenty of natural resources.