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

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

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