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

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

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