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