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