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

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

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