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