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

*QUERY*
IN: zup wif OUT: YELLOW YELLOW
IN: zup wif gazzer OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: fep wif OUT: GREEN GREEN
IN: tufa wif OUT: RED RED
IN: fep gazzer OUT: GREEN GREEN GREEN
IN: tufa OUT: RED
IN: tufa tufa OUT: RED RED
IN: fep gazzer kiki zup OUT: YELLOW GREEN GREEN GREEN
IN: tufa zup gazzer OUT: RED YELLOW RED YELLOW RED YELLOW
IN: tufa kiki tufa OUT: RED RED

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