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

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

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