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

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

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