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

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

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