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

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

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