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