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