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

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

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