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

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

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