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