Here are some concepts: airplane, flight, sky

What is a sentence about these concepts?

Sentence is below.
An airplane taking off for flight into the sky.

Here are some concepts: bouquet, florist, rose

What is a sentence about these concepts?

Sentence is below.
roses are red ... florists have been delivering massive bouquets all day on birthday

Here are some concepts: board, plane, time

What is a sentence about these concepts?

Sentence is below.
An old man happily boards his plane, which is on time and not overcrowded.

Here are some concepts: flow, hill, stream

What is a sentence about these concepts?
Sentence is below.
a stream flowing between the hills