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