You go straight to the intersection, turn right and go straight to the intersection and go straight to the cafeteria. Post to the bottom right corner of the cafeteria.
You go straight and you will see three separate, turn right, then go straight and you will see the intersection then go straight and you will see cafeteria. Post Office is located at the bottom-right corner of the canteen.
Do you go straight to see three separate, turn right, and then go straight to see intersection, then go straight to see canteen, post office, cafeteria, will be located in the bottom right.