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