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

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

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