Here are some concepts: operate, patient, surgeon

What is a sentence about these concepts?

Sentence is below.
surgeons operating on a patient in the medical block

Here are some concepts: floor, staircase, top

What is a sentence about these concepts?

Sentence is below.
there is a skylight at the top of staircase which connects upper and lower floors

Here are some concepts: color, pattern, shirt

What is a sentence about these concepts?

Sentence is below.
A girl squirts out various colors on a shirt in order to form a rainbow pattern.

Here are some concepts: metro, station, wait

What is a sentence about these concepts?
Sentence is below.
commuters waiting for the metro at the metro station