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