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

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

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