You need to use your head to solve this problem.

He is using that coat from winter to spring.

He has become a person who will never return.

Welcome back, mom is waiting for you.

Please clean up your room right now.

That female bear was fighting to protect her children.

Shunji is my best friend.

He is outstanding in his field.

Toshin came up with a sagacious way to solve the problem.

She is planning a date with her current boyfriend.