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

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

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