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