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

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

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