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