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