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