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