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

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

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