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