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