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