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