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