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

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

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