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