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

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

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