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