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