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