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