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

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

*GRAMMAR*
tufa -> GREEN 
 kiki -> RED 
 gazzer -> BLUE 
 zup -> YELLOW 
 u1 blicket u2 -> [u2] [u1] 
 x1 lug u1 -> [x1] [u1] 
 x1 fep x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 