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