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