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