*SUPPORT*
IN: zup OUT: PURPLE
IN: gazzer wif dax kiki OUT: RED BLUE GREEN
IN: kiki OUT: GREEN
IN: kiki tufa OUT: GREEN GREEN
IN: wif gazzer wif OUT: BLUE RED BLUE
IN: kiki dax gazzer OUT: GREEN RED
IN: zup lug OUT: PURPLE PURPLE
IN: wif tufa OUT: BLUE BLUE
IN: gazzer lug OUT: RED RED
IN: gazzer OUT: RED
IN: wif lug OUT: BLUE BLUE
IN: wif zup OUT: BLUE PURPLE
IN: zup kiki dax kiki OUT: PURPLE GREEN GREEN
IN: gazzer dax kiki OUT: RED GREEN

*QUERY*
IN: wif wif dax wif OUT: BLUE BLUE BLUE
IN: wif gazzer dax kiki OUT: BLUE RED GREEN
IN: wif dax kiki OUT: BLUE GREEN
IN: gazzer tufa OUT: RED RED
IN: kiki zup tufa OUT: GREEN PURPLE PURPLE
IN: zup dax gazzer OUT: PURPLE RED
IN: gazzer kiki gazzer tufa OUT: RED GREEN RED RED
IN: kiki dax wif OUT: GREEN BLUE
IN: zup dax kiki OUT: PURPLE GREEN
IN: wif dax gazzer OUT: BLUE RED

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