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