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

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

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