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

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

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