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