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