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