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

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

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