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