I will participate in an obstacle race this weekend.

In this situation, the proverb 'it is best to submit to circumstances' applies.

We have a responsibility to protect this nature.

There are many large oak trees in this park.

Her necklace had a beautiful pearl on it.

A tumor was found in his brain.

What is the purport of this sentence?

He was greatly enjoying the old wine.

He instructed me in piano.

There was a big spider in the corner of the room.