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

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

*GRAMMAR*
wif -> YELLOW 
 fep -> GREEN 
 gazzer -> RED 
 dax -> BLUE 
 x1 tufa x2 -> [x1] [x2] 
 u1 blicket -> [u1] [u1] 
 u1 lug u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 