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

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

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