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

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

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