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

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

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