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