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