Produce a sentence which mentions all of these concepts: forest, summer, waterfall

a small waterfall with a thin flow of water in the summer in a tropical forest

Produce a sentence which mentions all of these concepts: air, elephant, stick, trunk

An elephants very long trunk sticking up into the air.

Produce a sentence which mentions all of these concepts: giraffe, nothing, stand
The giraffe is standing all alone outside with nothing around it.