*SUPPORT*
IN: tufa gazzer tufa OUT: YELLOW YELLOW YELLOW
IN: lug lug gazzer tufa OUT: GREEN GREEN YELLOW YELLOW
IN: tufa OUT: YELLOW
IN: lug kiki blicket OUT: BLUE BLUE GREEN
IN: lug kiki tufa OUT: YELLOW YELLOW GREEN
IN: tufa tufa tufa gazzer blicket gazzer lug OUT: YELLOW YELLOW YELLOW BLUE BLUE GREEN GREEN
IN: zup gazzer blicket OUT: PINK BLUE BLUE
IN: tufa dax lug OUT: GREEN YELLOW
IN: zup kiki lug gazzer zup OUT: GREEN GREEN PINK PINK PINK
IN: blicket kiki zup OUT: PINK PINK BLUE
IN: tufa kiki tufa OUT: YELLOW YELLOW YELLOW
IN: lug OUT: GREEN
IN: lug dax tufa OUT: YELLOW GREEN
IN: zup kiki lug OUT: GREEN GREEN PINK

*QUERY*
IN: blicket lug zup lug OUT: BLUE GREEN PINK GREEN
IN: lug kiki zup gazzer tufa OUT: PINK PINK GREEN YELLOW YELLOW
IN: lug tufa gazzer blicket OUT: GREEN YELLOW BLUE BLUE
IN: blicket OUT: BLUE
IN: tufa kiki blicket OUT: BLUE BLUE YELLOW
IN: tufa tufa kiki blicket OUT: YELLOW BLUE BLUE YELLOW
IN: lug zup gazzer tufa OUT: GREEN PINK YELLOW YELLOW
IN: lug kiki zup OUT: PINK PINK GREEN
IN: zup OUT: PINK
IN: tufa kiki lug OUT: GREEN GREEN YELLOW

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