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

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

*GRAMMAR*
tufa -> PURPLE 
 dax -> YELLOW 
 kiki -> BLUE 
 wif -> RED 
 x1 gazzer u1 -> [u1] [x1] 
 x1 blicket x2 -> [x2] [x1] 
 u1 lug u2 -> [u2] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 