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