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