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

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

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