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