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

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

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