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