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

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

*GRAMMAR*
zup -> YELLOW 
 tufa -> GREEN 
 lug -> PINK 
 wif -> BLUE 
 x1 kiki -> [x1] [x1] 
 x1 gazzer x2 -> [x2] [x1] 
 u1 dax u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 