Your goal is to find the secret four-color code. The following colors are possible: yellow, red, purple, pink, green, 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: ['pink', 'purple', 'yellow', 'green']. Hint: two colors are in the correct positions.
Guess: ['yellow', 'yellow', 'green', 'green']. Hint: none of the guessed colors are present in the secret code.
Guess: ['red', 'red', 'purple', 'purple']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['pink', 'purple', 'red', 'pink']. 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
purple, purple, yellow, green pink, purple, brown, red brown, purple, brown, brown purple, green, brown, yellow