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