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

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

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