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

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

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