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

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

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