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