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

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

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