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