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