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