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

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

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