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

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

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