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

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

*GRAMMAR*
dax -> YELLOW 
 kiki -> BLUE 
 fep -> PINK 
 gazzer -> GREEN 
 u1 lug -> [u1] [u1] [u1] [u1] 
 x1 wif x2 -> [x2] [x1] 
 u1 zup x1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 