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