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

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

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