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