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