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

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

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