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

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

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