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