I have been to Chicago.

The Paleogene period was a very important time in the history of the Earth.

He is the type of person who thinks it's a moonlit night if it's bright, so he only has a one-sided perspective.

He thought deeply and said, 'I think, therefore I am.'

He is good at writing short novels.

I can't find my ballpoint pen.

My new tablet comes with a stylus.

He likes to write short stories.

He ended up in a state of confusion.

I lost my mechanical pencil, so I'm going to buy a new one.