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