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