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

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

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