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

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

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