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