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