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