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