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

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

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