The green traffic light came on, so I crossed the road.

He crossed the road ignoring the red light.

I stopped the car because the yellow light came on.

He is an expert in cryptography and is involved in the development of security systems.

The empress dowager is living quietly in the palace.

My new work clothes are very comfortable.

He started learning Ainu language.

I often play golf on weekends.

He was chosen to guard the president.

I like solving Tsumego problems.