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