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