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

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

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