On the night of the festival, colorful booths were lined up.

He proposed a new theory about the problem.

He is deeply researching that theory.

He is good at logical thinking.

He is playing a foolish character named Rho.

Freedom of speech is a fundamental right of democracy.

He was riding a bicycle on the road.

This music system is equipped with a high-quality filter.

He has studied abroad in Russia.

This flower is covered with a wax film, giving it a beautiful gloss.