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

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

*GRAMMAR*
kiki -> BLUE 
 dax -> PINK 
 lug -> PURPLE 
 wif -> RED 
 x1 tufa -> [x1] [x1] 
 u1 zup u2 -> [u2] [u1] 
 u1 blicket u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 