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