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