*SUPPORT*
IN: kiki fep zup dax OUT: RED GREEN PURPLE
IN: dax fep lug gazzer OUT: PURPLE GREEN PINK
IN: fep wif OUT: GREEN GREEN
IN: gazzer zup fep OUT: PINK GREEN
IN: fep lug dax wif OUT: GREEN PURPLE PURPLE
IN: kiki OUT: RED
IN: dax wif OUT: PURPLE PURPLE
IN: gazzer kiki gazzer lug gazzer OUT: PINK RED PINK PINK
IN: dax zup fep OUT: PURPLE GREEN
IN: gazzer dax OUT: PINK PURPLE
IN: fep lug fep OUT: GREEN GREEN
IN: dax OUT: PURPLE
IN: kiki fep wif OUT: RED GREEN GREEN
IN: fep kiki lug gazzer OUT: GREEN RED PINK

*QUERY*
IN: dax dax wif OUT: PURPLE PURPLE PURPLE
IN: kiki wif OUT: RED RED
IN: kiki lug gazzer zup fep OUT: RED PINK GREEN
IN: gazzer gazzer OUT: PINK PINK
IN: kiki zup dax OUT: RED PURPLE
IN: fep OUT: GREEN
IN: fep lug kiki lug kiki zup dax OUT: GREEN RED RED PURPLE
IN: gazzer kiki lug dax fep zup kiki OUT: PINK RED PURPLE GREEN RED
IN: gazzer OUT: PINK
IN: kiki lug kiki OUT: RED RED

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