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