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