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

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

*GRAMMAR*
dax -> PURPLE 
 kiki -> RED 
 blicket -> GREEN 
 tufa -> BLUE 
 x1 lug -> [x1] [x1] [x1] 
 x1 zup x2 -> [x1] [x2] 
 x1 wif -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 