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