There are many Japanese hollies planted in my garden.

I saw a golden eagle flying in the sky at the top of the mountain.

He used a rail spike to secure the rail.

There are cats and dogs in my house.

He likes to take a walk in the park at dusk.

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

Paying the urban planning tax is a citizen's duty.

The United Nations Environment Programme is providing solutions to global environmental problems.

My dog is very smart.

My dog is very smart.