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