*SUPPORT*
IN: wif zup wif OUT: PURPLE PURPLE
IN: wif zup kiki OUT: BLUE PURPLE
IN: wif zup dax OUT: YELLOW PURPLE
IN: blicket zup wif gazzer kiki OUT: PURPLE RED PURPLE RED BLUE
IN: wif zup blicket fep OUT: RED PURPLE RED PURPLE
IN: dax gazzer kiki fep OUT: YELLOW YELLOW BLUE YELLOW YELLOW BLUE
IN: blicket wif zup blicket OUT: RED RED PURPLE
IN: dax blicket zup kiki fep OUT: YELLOW BLUE RED YELLOW BLUE RED
IN: dax wif OUT: YELLOW PURPLE
IN: kiki blicket kiki zup kiki OUT: BLUE RED BLUE BLUE
IN: wif zup kiki fep OUT: BLUE PURPLE BLUE PURPLE
IN: blicket fep OUT: RED RED
IN: blicket dax kiki zup kiki OUT: RED YELLOW BLUE BLUE
IN: kiki kiki OUT: BLUE BLUE

*QUERY*
IN: dax zup dax fep OUT: YELLOW YELLOW YELLOW YELLOW
IN: wif dax zup dax OUT: PURPLE YELLOW YELLOW
IN: wif OUT: PURPLE
IN: kiki fep OUT: BLUE BLUE
IN: kiki OUT: BLUE
IN: kiki gazzer dax OUT: BLUE BLUE YELLOW
IN: wif gazzer kiki gazzer kiki OUT: PURPLE PURPLE BLUE PURPLE PURPLE BLUE BLUE
IN: kiki zup kiki OUT: BLUE BLUE
IN: blicket OUT: RED
IN: dax OUT: YELLOW

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