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