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

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

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