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

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

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