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

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

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