*SUPPORT*
IN: kiki gazzer kiki OUT: BLUE BLUE
IN: lug OUT: GREEN
IN: fep OUT: YELLOW
IN: fep gazzer kiki OUT: BLUE YELLOW
IN: kiki OUT: BLUE
IN: fep gazzer tufa OUT: PURPLE YELLOW
IN: tufa gazzer fep OUT: YELLOW PURPLE
IN: tufa lug gazzer fep OUT: PURPLE YELLOW GREEN
IN: kiki gazzer lug OUT: GREEN BLUE
IN: kiki blicket kiki OUT: BLUE BLUE BLUE BLUE BLUE
IN: lug gazzer fep OUT: YELLOW GREEN
IN: kiki dax tufa OUT: PURPLE PURPLE BLUE BLUE
IN: kiki fep gazzer fep OUT: BLUE YELLOW YELLOW
IN: tufa gazzer tufa dax tufa OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE

*QUERY*
IN: lug gazzer lug OUT: GREEN GREEN
IN: kiki blicket lug OUT: BLUE BLUE GREEN BLUE GREEN
IN: kiki gazzer fep OUT: YELLOW BLUE
IN: kiki gazzer tufa OUT: PURPLE BLUE
IN: lug blicket lug OUT: GREEN GREEN GREEN GREEN GREEN
IN: lug gazzer kiki OUT: BLUE GREEN
IN: kiki kiki OUT: BLUE BLUE
IN: lug gazzer tufa OUT: PURPLE GREEN
IN: kiki gazzer lug blicket kiki OUT: GREEN BLUE GREEN BLUE BLUE GREEN BLUE BLUE
IN: tufa OUT: PURPLE

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