He is creating a newspaper using an electronic phototypesetter.

Santa Claus delivers presents to children.

He drew a triangle on the blackboard.

I am planning to go to San Francisco next week.

She gave birth to a baby in the maternity hospital.

My younger brother is good at addition in arithmetic.

This silkworm produces beautiful silk.

This lemon is sour.

We cannot live without oxygen.

This project may not be profitable.