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

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

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