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

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

*GRAMMAR*
lug -> BLUE 
 tufa -> RED 
 wif -> YELLOW 
 gazzer -> GREEN 
 u1 blicket -> [u1] [u1] 
 u1 fep u2 -> [u2] [u1] [u2] 
 x1 dax -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 