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

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

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