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

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

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