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