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

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

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