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

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

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