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