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