You need to use your head to solve this problem.

Growth hormone plays an important role in promoting the growth of the human body.

He lost everything.

She is planning a date with her current boyfriend.

My boyfriend gave me a gift.

Everyone was surprised by the news.

We headed to Kyoto on the limited express train.

There are 23 special wards in Tokyo.

She is an expert in special needs education.

Based on the special criminal law, he was found guilty.