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

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

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