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

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

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