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