Your goal is to find the secret four-color code. The following colors are possible: brown, blue, pink, red, yellow, 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: ['black', 'blue', 'brown', 'yellow']. Hint: one color is in the correct position and two colors are in the secret code but in the wrong position.
Guess: ['brown', 'blue', 'pink', 'blue']. Hint: one color is in the correct position and one color is in the secret code but in the wrong position.
Guess: ['brown', 'brown', 'yellow', 'red']. Hint: three colors are in the secret code but in the wrong positions.
Guess: ['red', 'yellow', 'brown', 'blue']. Hint: four colors are in the secret code but in the wrong positions.
A B C D
blue, red, blue, blue black, blue, pink, black yellow, blue, red, brown black, blue, blue, black