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