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

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

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