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