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

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

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