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

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

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