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