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

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

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