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