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