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