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

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

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