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