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

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

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