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

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

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