berachot

Question

1. If I make a beracha outside on a drink or snack and then walk into a … (see below), do I make another beracha? a. House b. Building c. Car d. Train e. Subway platform 2. Same for if I make a beracha on candy or gum. 3. if I make beracha on a subway platform and then go into the train, do I make another beracha? 4. Same questions 1,2 &3 for inside going from inside to outside. 5. For all above, can I make the beracha achrona (after beracha) where I finish, or must I return to where I made the original beracha? 6. If I make a beracha outside and I am walking with it and I take a sip every few blocks, must I make a new beracha each time? What if I put it away in my backpack between sips, do I make a new beracha? Thank you.