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