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