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