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