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