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

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

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