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