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

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

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