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

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

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