I am waiting for a response from the other party.

He engaged in an extravehicular activity from the spaceship.

He is undergoing training for extravehicular activity.

He is studying about ancient military tactics.

This equation is linear.

This is a linear mathematical problem.

They waged war against the enemy country.

This pen is 15 centimeters long.

My thyroid gland is functioning normally.

Akane was wearing a madder-colored dress, which is the origin of her name.