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

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

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