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