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