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

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

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