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

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

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