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

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

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