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