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

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

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