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