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

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

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