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

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

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