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

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

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