*SUPPORT*
IN: gazzer dax OUT: BLUE RED
IN: fep wif OUT: GREEN GREEN
IN: dax tufa lug wif OUT: RED PURPLE PURPLE PURPLE RED PURPLE PURPLE PURPLE
IN: tufa lug OUT: PURPLE PURPLE PURPLE
IN: dax dax dax wif OUT: RED RED RED RED RED RED
IN: fep OUT: GREEN
IN: dax lug OUT: RED RED RED
IN: dax zup OUT: RED RED RED
IN: dax OUT: RED
IN: gazzer wif wif OUT: BLUE BLUE BLUE BLUE
IN: gazzer zup OUT: BLUE BLUE BLUE
IN: dax wif zup OUT: RED RED RED RED RED RED
IN: gazzer lug wif OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: fep tufa wif OUT: GREEN PURPLE GREEN PURPLE

*QUERY*
IN: dax fep fep OUT: RED GREEN GREEN
IN: gazzer dax lug wif OUT: BLUE RED RED RED BLUE RED RED RED
IN: tufa zup wif OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: fep lug OUT: GREEN GREEN GREEN
IN: gazzer dax lug OUT: BLUE RED RED RED
IN: fep zup OUT: GREEN GREEN GREEN
IN: gazzer gazzer OUT: BLUE BLUE
IN: gazzer lug OUT: BLUE BLUE BLUE
IN: tufa OUT: PURPLE
IN: tufa tufa lug OUT: PURPLE PURPLE PURPLE PURPLE

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