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

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

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