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