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