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

*QUERY*
IN: lug OUT: YELLOW
IN: zup lug wif OUT: PINK YELLOW PINK YELLOW
IN: dax zup OUT: GREEN PINK
IN: zup OUT: PINK
IN: lug gazzer zup tufa lug gazzer zup wif OUT: PINK PINK YELLOW PINK YELLOW
IN: lug gazzer lug OUT: YELLOW YELLOW
IN: zup wif OUT: PINK PINK
IN: lug dax dax zup OUT: YELLOW GREEN GREEN PINK
IN: lug zup OUT: YELLOW PINK
IN: zup gazzer lug wif OUT: YELLOW YELLOW PINK

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