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