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