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