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