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