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

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

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