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