How do you complete stage 4 on questionaut

Click the key and place it in the left most lock
Click the drawer to reveal a football
Click the key underneath where the man was sitting before he returns
Use the key in the middle lock
Click the drawer to reveal a box
Click the box to reveal a key
Use the key in the right most lock
Click the drawer to reveal jar of red liquid
Click the man after he starts drinking to start the questions