He was wrapping the present.

She was playing with bubbles while taking a bath.

He returned to the scene to collect forensic evidence.

He is undergoing electrotherapy for his back pain.

Please tell me the way to solve this problem.

We are considering introducing a new voting system.

The police used a water cannon against the demonstrators.

Learning a new input method is difficult.

I live in Yokkaichi.

I have been to Chicago.