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