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