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