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

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

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