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