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

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

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