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