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