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

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

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