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