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

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

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