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