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