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