He is researching about a new energy source.

This cake is made up of five layers of chocolate and vanilla.

I love enokitake soup.

His good enunciation greatly contributed to his winning first place in the speech contest.

His knee problem is due to a lack of synovial fluid.

The children were playing on the log slide in the park.

He lost everything.

She is planning a date with her current boyfriend.

My boyfriend gave me a gift.

Everyone was surprised by the news.