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

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

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