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

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

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