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

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

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