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

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

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