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

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

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