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