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

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

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