*SUPPORT*
IN: gazzer kiki tufa fep OUT: GREEN RED RED GREEN RED RED
IN: gazzer lug OUT: GREEN GREEN GREEN
IN: dax lug OUT: BLUE BLUE BLUE
IN: tufa OUT: RED
IN: gazzer tufa lug OUT: GREEN RED RED RED
IN: blicket OUT: PURPLE
IN: gazzer lug fep OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: gazzer gazzer kiki dax OUT: GREEN GREEN BLUE BLUE
IN: dax kiki gazzer OUT: BLUE GREEN GREEN
IN: gazzer dax OUT: GREEN BLUE
IN: gazzer kiki dax OUT: GREEN BLUE BLUE
IN: tufa fep OUT: RED RED
IN: tufa kiki dax OUT: RED BLUE BLUE
IN: blicket kiki dax fep OUT: PURPLE BLUE BLUE PURPLE BLUE BLUE

*QUERY*
IN: tufa kiki gazzer OUT: RED GREEN GREEN
IN: tufa dax kiki gazzer fep OUT: RED BLUE GREEN GREEN RED BLUE GREEN GREEN
IN: dax blicket fep OUT: BLUE PURPLE BLUE PURPLE
IN: blicket lug fep OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: gazzer kiki gazzer fep OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: gazzer OUT: GREEN
IN: gazzer kiki tufa OUT: GREEN RED RED
IN: dax OUT: BLUE
IN: tufa kiki blicket OUT: RED PURPLE PURPLE
IN: dax kiki blicket fep OUT: BLUE PURPLE PURPLE BLUE PURPLE PURPLE

*GRAMMAR*
gazzer -> GREEN 
 tufa -> RED 
 dax -> BLUE 
 blicket -> PURPLE 
 u1 lug -> [u1] [u1] [u1] 
 u1 kiki u2 -> [u1] [u2] [u2] 
 x1 fep -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 