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

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

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