They made an oath of friendship.

They pledged to maintain peace.

His absurd remark became a topic of discussion in the class.

What is the title of this song?

He clung to life.

The noted product of this region is delicious apples.

He is avoiding sunlight due to photophobia.

I saw a mayfly flying by the window.

He is seen as the expected winner of this race.

He uses a pseudonym as a writer.