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