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