Genesis 40:7 Meaning

5And they dreamed a dream both of them, each man his dream in one night, each man according to the interpretation of his dream, the butler and the baker of the king of Egypt, which were bound in the prison.

6And Joseph came in unto them in the morning, and looked upon them, and, behold, they were sad.

7And he asked Pharaoh's officers that were with him in the ward of his lord's house, saying, Wherefore look ye so sadly to day?

8And they said unto him, We have dreamed a dream, and there is no interpreter of it. And Joseph said unto them, Do not interpretations belong to God? tell me them, I pray you.

9And the chief butler told his dream to Joseph, and said to him, In my dream, behold, a vine was before me;