The sexology class is very interesting.

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

He strongly encourages young people to actively participate in politics.

He strongly encourages young people's participation in politics.

Kangaroos are an example of ovoviviparity.

Three generations of my family live together.

The government has started a political purge.

The government purged officials who were alleged to have committed misconduct.

My grandmother always believes in natural remedies and chooses natural treatments.

I visited the Rashomon in Kyoto.