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