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