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

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

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