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

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

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