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