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