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

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

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