She is good at painting still lifes.

The Stars and Stripes is the national flag of America.

She changed her surname when she got married.

She changed her surname when she got married.

I live in Salem.

Sexology is the scientific study of human sexual behavior and sexuality.

The sexology class is very interesting.

He strongly encourages young people's participation in politics.

He strongly encourages young people to actively participate in politics.

Kangaroos are an example of ovoviviparity.