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.

My mother does the laundry almost every day.

A Jovian planet is similar to Jupiter in terms of its size and composition.

The Koizumi Shinjiro structure brought a new wind to Japanese politics.

My boat is equipped with the latest fishfinder.

He was promoted to Admiral of the Fleet.

His grandfather was a member of the Imperial Navy during World War II.