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