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