She attempted facesitting on him.

She decided to try the reverse cowgirl position.

Let's participate in the election by using early voting.

Let's participate in the election by using early voting.

The Paleolithic is the first era of human history.

The Neolithic was an important period in human history.

She took a facesitting pose.

She decided to try the reverse cowgirl position.

She has mastered the technique of facesitting.

The Mesolithic is the era between the Paleolithic and the Neolithic.