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

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

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