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

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

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