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

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

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