Using punctuation marks correctly is important for understanding sentences.

What is this solid made of?

There are sediments at the bottom of this lake that have accumulated over centuries.

His art style is unique, it's neither fish nor fowl.

I'm sorry, but I don't speak Japanese.

I'm a Muslim, so I fast during Ramadan.

I'm Jewish.

She used to be a prostitute, but now she has started a new life.

Will you marry me?

"Do you want to have a meal? Take a bath? Or choose me?" she said jokingly.