Please choose the correct solution to the question: How to lock a door from the inside

Solution1: Close the door. Turn the knob on the lock in the appropriate direction to lock it. Test the door by twisting the knob and see if it opens.

Solution2: Open the door the door. Turn the knob on the lock in the appropriate direction to lock it. Test the door by twisting the knob and see if it closes.

Answer format: solution1/solution2