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

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

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