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

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

*GRAMMAR*
zup -> RED 
 lug -> PURPLE 
 dax -> BLUE 
 fep -> PINK 
 x1 wif x2 -> [x1] [x2] [x1] [x2] 
 u1 gazzer -> [u1] [u1] [u1] 
 u1 blicket u2 -> [u1] [u2] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 