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

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

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