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

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

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