You chose to take the backpack over the bow and quiver, which could have been a life saving decision. You grab the backpack and run for shelter, using the cornucopia as a shield. Without giving the desert a second thought, you run for the trees. A nagging at the back of your head warns you that those suspicious tributes from 1 and 4 were in the trees as well. However, the forest is very vast, and you need a safe location to go through the contents of your backpack. 

You hit the cover of the trees, to your relief. Now it's time to make a decision. Do you

E) Find a tree here at the edge of the forest to go through your bag, because it might have materials that could help you out on a hike through the forest

OR

F) Keep walking and open the backpack once you are deeper into the forest