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