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