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