Here are some concepts: clock, explode, firework

What is a sentence about these concepts?

Sentence is below.
fireworks explode behind the clock .

Here are some concepts: assistant, patient, work

What is a sentence about these concepts?

Sentence is below.
dr. and assistant working on a patient

Here are some concepts: evening, lamp, pier

What is a sentence about these concepts?

Sentence is below.
wooden pier on the lake lit by lamp in the evening

Here are some concepts: conduct, experiment, lab

What is a sentence about these concepts?
Sentence is below.
The women are conducting experiments at the chemistry lab.