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

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

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