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

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

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