A person is writing on a chalkboard in a empty classroom.
There is a chalkboard in the room.
A woman is sweeping the floor.
Two animals are outside.
I haven't had a dog for three years.
A mother and a daughter share pictures of their childhood on a swing in the park.
Three men are eating a pie in front of a crowd.
Publishers must absorb the high costs of huge returns.
Three people swimming in a river.