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

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

*GRAMMAR*
gazzer -> RED 
 dax -> PURPLE 
 zup -> GREEN 
 kiki -> BLUE 
 x1 tufa -> [x1] [x1] 
 x1 lug x2 -> [x1] [x2] 
 u1 wif u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 