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