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

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

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