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

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

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