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