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

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

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