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