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

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

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