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