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

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

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