If possible then how?

There are about a dozen functions to use:
http://docs.textadventures.co.uk/quest/functions/#random

What exactly are you looking for?

Hello.

Are you wanting something like this?

{random:text 1:text 2:text 3}

You can see Mary {random:paddling in the sea:building a sand castle:running in the sand}.

http://docs.textadventures.co.uk/quest/text_processor.html