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

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

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