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