Instruct: Retrieve semantically similar text.
Query: Two men are performing a science experiment and releasing a visible gaseous chemical.
Two men are near a chemical.
Some humans testing
A guy is doing an experiment.
Some people doing something.
Scientists running an experiment involving mixing solutions.
humans performing
Some people egress.
A man is in a laboratory with others performing a chemical reaction.
Humans are making an attempt.
A fellow is causing sparks to appear.
A man is near chemicals.
a person doing a science expiriment
A scientists is looking at a chemical reaction.
There are some people performing some kind of action.
Something is causing sparks to fly.
There is smoke in the air.
The man is using assorted chemicals.
There are some people doing things.
They are performing some tricks.
A man does an experiment.
The class cleans up after a chemical explosion in the lab.
A couple prepares a science experiment.
A couple of men are at doing a demonstration.
The men are performing at the piano recital.
The men are wearing goggles.