Your goal is to find the secret four-color code. The following colors are possible: blue, brown, yellow, green, pink, black.
Some guesses have already been made. I will provide feedback for each guess made with which it is possible to unambigiously determine the secret code.

Previous Guesses:
Guess: ['green', 'blue', 'yellow', 'pink']. Hint: one color is in the correct position and one color is in the secret code but in the wrong position.
Guess: ['blue', 'blue', 'brown', 'pink']. Hint: one color is in the correct position and one color is in the secret code but in the wrong position.
Guess: ['yellow', 'blue', 'blue', 'black']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['blue', 'yellow', 'yellow', 'brown']. Hint: two colors are in the secret code but in the wrong positions.
A B C D
black, blue, yellow, brown green, black, brown, blue yellow, blue, pink, pink brown, yellow, blue, brown