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