Can't choose from those four. Gun to head, I'd say that DWYCK was my least favourite out of the choices you posted, but it's still a banger. (Just that the other three are nicer, IMO).

Favourite Gang Starr track not from that selection?

Moment Of Truth (especially verse 2)

but really and truly they have so many bangers, and tracks on a par with these, that I can't vote :(