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