Give ‘em a H!: “I really don’t recall”.
Ha...good one.
Could also get jittery, and demand to know what this place is and why are there so many people there and what are they doing.
Then ask, ‘are you a narc, man?’
This works really well if the media are right there to record the whole deal!
Then laugh and point at the pollster as they quickly blink their eyes while trying to figure out what to do.
Not a fan of the pollsters...