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