He is suffering from acquired immune deficiency syndrome (AIDS).

Kanna has two dogs.

The police detained him to investigate the incident.

He has a strong sense of self-affirmation and always maintains a positive attitude.

This is a model of a mutetrahedron.

This mutetrahedron has a very unusual shape.

My father always takes a rough attitude.

He was lying face-up, looking at the stars.

He shifted the car's gear.

He shifted the topic.