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

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

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