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