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

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

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