What’s a non aggressive way to respond to someone who huffs and puffs at being asked to move their bag off their seat on crowded transport?

You ask them to move their bag and they huff and puff and tut as if you’ve inconvenienced them greatly.

Given I think people should move their bag proactively, this angers me greatly.

Do you: A. Make a comment back to them B. Sit down and say nothing