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