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

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

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