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