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