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