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

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

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