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