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

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

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