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

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

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