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