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