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

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

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