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

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

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