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