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

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

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