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

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

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