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