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

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

*GRAMMAR*
zup -> PURPLE 
 dax -> YELLOW 
 blicket -> RED 
 kiki -> BLUE 
 x1 wif -> [x1] [x1] 
 x1 tufa -> [x1] [x1] 
 x1 fep x2 -> [x1] [x2] [x2] 
 u1 x1 -> [u1] [x1] 
 