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

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

*GRAMMAR*
gazzer -> GREEN 
 zup -> RED 
 fep -> PURPLE 
 dax -> BLUE 
 x1 wif x2 -> [x2] [x1] [x1] 
 u1 lug -> [u1] [u1] 
 x1 tufa -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 