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

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

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