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

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

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