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

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

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