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

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

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