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

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

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