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

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

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