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

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

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