Well i agree calling is right here. I agree with ginger to say there is no way they don't have a set here is pushing it. I play my sets very aggressively for this very reason, as people never think i will play a set like that. It is an oft used tool by the multitabling low NL cash players. As you get paid off by top pair and overpairs all the time.
Yep, been caught with that one myself recently, had to congratulate him when I called with 2 pair. Im not a big cash game player just occasionally dip my toe in the water, caught me hook line and sinker with this play, it looks very fishy.