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