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