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