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