He seems to be enjoying his trip.

He was watching the enemy's movements from the watchtower.

He aimlessly wandered around the city.

The cat named Raku brought happiness to our family.

Her dress was green and very beautiful.

Green is my favorite color.

He broke his rib.

We landed on the land.

He stared at the corpse, trembling with fear.

General relativity is a theory of physics proposed by Einstein.