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

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

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