It got bigger

We had a sort of a script writing clinic thingy in drama, and we were charged with writing ten lines of a script for a show that clearly took place in the future, and something seemingly impossible had to happen, but it had to be possible to stage.

One and Two are holed up in a moderately small space. It is clear that they are hiding from something

ONE: You think it's gone?
TWO: I don't know. I don't hear anything
ONE: Take a look outside.
TWO: Why do I have to look? Why don't you do it?
ONE: I'm One. You're Two. You have to do what I say.
TWO: What if it gets me?
ONE: It would be worse if it got me.
Two seems to accept this logic. Two slides th door open slightly, looks out, suppresses a scream & quickly shuts the door
ONE: What? What did you see?
TWO: (Panting)It... got... Bigger... I think it saw me...
ONE: What do you mean? How much bigger?
A loud banging is heard off stage. Possibly a roar.
TWO: A LOT Bigger

So that's my crappy handfull of lines. feel free to make fun of it, though I think I've got an idea for an entire show based on the relationship between One and Two. Probably something to do with seniority=/=superiority.