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