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