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

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

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