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

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

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