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