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