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