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