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