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