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