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

*QUERY*
IN: tufa kiki dax OUT: PINK GREEN BLUE
IN: tufa OUT: PINK
IN: dax dax tufa OUT: BLUE BLUE PINK
IN: kiki wif kiki dax OUT: GREEN BLUE GREEN GREEN
IN: kiki lug kiki OUT: GREEN GREEN
IN: dax tufa lug kiki OUT: BLUE PINK GREEN
IN: kiki wif tufa lug kiki OUT: PINK GREEN GREEN GREEN
IN: dax wif tufa dax lug tufa lug dax OUT: PINK BLUE PINK BLUE BLUE BLUE
IN: dax OUT: BLUE
IN: tufa wif tufa wif kiki OUT: GREEN PINK PINK PINK PINK

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