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