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