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