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

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

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