[ she takes off running the instant she hears its voice. portaling out of its sights, looking and listening for any sign of more of them. ]

You know, after you kept disappearing, I took a little peek at the schematics of the facility. As it turns out- I have blind spots. Stop using them.

[ in response to this, chell merely turns and shoots a portal to knock one of the cameras off the wall. ]

You're quite irritating as usual. Why can't you be a normal subject?