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

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

*GRAMMAR*
zup -> RED 
 wif -> BLUE 
 dax -> YELLOW 
 lug -> PURPLE 
 u1 fep u2 -> [u2] [u1] 
 x1 blicket x2 -> [x2] [x1] [x1] [x1] 
 u1 tufa u2 -> [u1] [u1] [u1] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 