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

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

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