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

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

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