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

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

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