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

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

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