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

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

*GRAMMAR*
zup -> PURPLE 
 fep -> GREEN 
 gazzer -> BLUE 
 tufa -> RED 
 x1 dax -> [x1] [x1] [x1] [x1] 
 x1 wif -> [x1] [x1] 
 u1 lug u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 