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

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

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