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

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

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