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: ['brown', 'orange', 'purple', 'green']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['red', 'red', 'orange', 'brown']. Hint: two colors are in the correct positions.
Guess: ['red', 'yellow', 'green', 'brown']. Hint: two colors are in the correct positions.
Guess: ['orange', 'yellow', 'orange', 'brown']. Hint: two colors are in the correct positions.
A B C D
orange, purple, red, orange orange, green, brown, purple yellow, brown, purple, red red, yellow, orange, purple