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