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

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

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