This road is a bicycle lane.

The police put the criminal in the paddy wagon and took him to the police station.

She put a ring on her ring finger.

He is a hard-working laborer.

I was surprised by his shabby clothes.

He learned the style of the painting to imitate the ancient artist.

He opened the box for holding calligraphy tools and took out a brush.

He is a famous wealthy person in Kagoshima, and is respected by many people.

He is a world-renowned osteologist.

Linear programming is a part of operations research and is used to find the optimal solution.