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