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