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