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