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

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

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