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