I started learning ballroom dancing.

I rode on a first-class airplane for the first time.

I booked a business class for the next flight.

I will take a flight in economy class.

They (referring to women or girls) are my best friends.

She is attending a pole dancing class.

My younger brother is good at breakdancing.

There is a blackberry tree in my garden.

I really like my new BlackBerry smartphone.

He specializes in the study of fish claspers.