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