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

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

*GRAMMAR*
tufa -> PINK 
 lug -> GREEN 
 zup -> BLUE 
 gazzer -> RED 
 x1 fep -> [x1] [x1] [x1] 
 u1 dax u2 -> [u1] [u2] [u2] 
 x1 wif x2 -> [x1] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 