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