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