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