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

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

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