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

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

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