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