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

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

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