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