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