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