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